Variolation

I generally don’t write about current events here on my blog. But occasionally I find something that I think would be so beneficial for more people to read, that I find I want to share it.

Initial viral load seems likely to have a large impact on severity of Covid-19 infection. If we believe this, we should take this seriously, and evaluate both general policy and personal behavior differently in light of this information. We should also do our best to confirm or deny this hypothesis as soon as possible.

From, Taking Initial Viral Load Seriously

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Since virology has taken such a place of primacy in our lives for the foreseeable future, it can only benefit each of to read more. That article is a wide-ranging, opinion piece (so, I recommend a few grains of salt with it,) which touches on a treasure trove of topics and facts. Of particular note is its discussion of how vaccines work for other diseases. (Or maybe I should write, “…of the variation in efficacy of vaccines for other diseases.”)

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Show yourself first

If you should ever turn your will to things outside your control in order to impress someone, be sure that you have wrecked your whole purpose in life. Be content, then, to be a philosopher in all that you do, and if you wish also to be seen as one, show yourself first that you are and you will succeed.

~ Epictetus

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Creating space in the morning for reflection

“The pleasure in thinking and doing things well is…deep-wired.” I think this is absolutely true. Thoreau retreated to Walden Pond, in part, to do nothing — to just observe and live deliberately — but he also wrote a first draft of a book, A Week on the Concord and Merrimack Rivers, while in his cabin. He then left the pond to move in with Emerson, where he wrote another book, this one about his experience at the pond, then another soon after, Civil Disobedience. Thoreau found peace observing nature; but his real pleasure was in producing enduring work.

~ Cal Newport from, On Productivity and the Deep Life

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I’ve long ago lost any real sense of which life changes have had the most benefit. But if I were to pick one, it would be making time to reflect. I’m often making adjustments here and there to my life, and those changes are always based on a period of reflection. What have I been doing that has been making me feel well? What have I been doing that has been making me feel unwell? …and so on.

For a while—three years to be specific—I’ve been trying to begin each day with some basic movement/stretching and then some sort of physical activity. I’m talking about first thing each morning. Get out of bed, deal with necessities (eg, coffee :) and then begin with movement and activity. 3 and 2 years ago, that activity was running. For the past year, the physical activity has been a sort-of-like-Olympic-weight-lifting program called Happy Body.

This is not working for me. Sure, when I manage to start with activity then I’m awake and moving and it’s good for my health and I get lots of what I want done each day. But it’s a struggle every. damn. day. blech! What I really want, first thing in the morning, is to NOT be physically active, but rather to be mentally active.

Starting today, I’m overhauling my first-thing-each-day routine to be:

  1. Reflect on the day’s self-assessment reminder
  2. Reflect on the day’s entry from Holiday’s, The Daily Stoic
  3. Read my previous journal entries and write in my current journal
  4. Spend some time in philosophical reading

I encourage you to build a reflection habit. It can be first-thing each morning or whenever works for you. (Many people allocate time for reflection as the last thing each day before going to sleep.) You should intentionally choose what to do as your reflection practice. I’ll go so far as to suggest you perform a few weeks experimentation with each idea you come up with, until you find a reflection practice that works for you. The more you reflect the more you’ll want to iterate and improve creating a virtuous feedback loop.

That’s the plan anyway. It’s certainly the best plan I’ve come up with for me, so far.

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Charles St John | Progress Your Fitness by Playing with Intent

On Castbox.fm — Charles St John | Progress Your Fitness by Playing with Intent

How can play-based frameworks enhance fitness training and skill development by fostering engagement, self-efficacy, and creativity?

By focusing on improvisation, individuals can elevate their confidence and ownership of movement, transforming their practice beyond rigid techniques.

Improvisation necessitates self efficacy. If you’re really trying to curate somebody that owns their practice, and is confident in their abilities […] that’s where it becomes playful in nature.

~ Charles St John (12:43)

The conversation explores the application of structured play in fitness environments, focusing on how six specific intentions—mimicry, creativity, collaboration, integration, execution, and improvisation—drive skill acquisition and community engagement. By intentionally shaping the type of play during training sessions, instructors can foster deeper self-efficacy, enhance retention, and create more engaging environments.

Topics discussed include the benefits of mimicry to lower barriers for beginners, the role of competitive play in pushing personal limits, and the transformative power of improvisation to cultivate confidence and adaptability. The conversation also touches on how playful frameworks can extend beyond Parkour and benefit broader fitness communities.

Takeaways

Mimicry — Simplifies learning by allowing participants to follow and observe.

Improvisation — Develops confidence and ownership over movement.

Collaboration — Strengthens community bonds and social health during fitness training.

Competition — Drives growth by encouraging participants to push beyond their limits.

Execution — Focuses on consistency and mastery of specific skills through repetition.

Integration — Highlights the importance of transitions between movements.

Resources

Apex School of Movement — Parkour school where Charles St. John coaches.

Art of Retreat — The organization hosting the retreat discussed.

(Written with help from Chat-GPT.)

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Movement snacks

I don’t know why I haven’t started this sooner. There’s a little daily practice that some podcasters do where they record something—anything really—simple each day. I’ve been thinking of doing that for movement.

If you’re a Movers Mindset member, I’ve put up a thread for this week and posted a little snack from this morning.

…if you’re not [a member], just go take a few minutes and do some movement.

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On podcasting

The short version of this story is simply: I’m simply curious. I try things. I make mistakes. I ask questions.

My podcasting journey began with the Movers Mindset project, which grew from conversations I started having as part of my personal journey rediscovering movement. Started in 2015, at first it was just a web site that shared others’ writing. But as I travelled, I kept finding myself in cool conversations until one day someone said, “you should have recorded that. I’d listen to that podcast.” Excited, but with no clue how much work it would be, I kicked off the Movers Mindset podcast at the start of 2017. For the first dozen episodes I did far too much of the work myself, until I wised up and started finding a few incredible people to share my new passion.

By this point I was devouring anything I could about interviewing. I smashed through thousands of podcast episodes in the process of wondering, “how does everyone else do it?” Podcasts, books, online courses… Everywhere I turned I found something new to work on in my own journey.

In the fall of 2018 I had about 30 interviews published on the podcast. I was getting comfortable travelling by plane, train and automobile, being invited into people’s lives to capture the Movers Mindset interviews. I was invited to the North American Art of Retreat, a Parkour leadership retreat, in the Cascade mountains outside of Seattle. There I did a series of interviews with the event’s presenters and organizers, and handed those recordings off for Art of Retreat to create their own podcast.

When 2019 rolled around, on a whim, I jumped into an Akimbo course called The Podcast Fellowship. I wanted to search for unknown-unknowns, to rethink everything I had done so far, and much about the Movers Mindset podcast changed in this period. To my surprise, I was invited back to be part of a small group of alumni who assist the coaches for the 4th, (and then the 5th, and 6th) running of the course. It’s mind-bogglingly inspiring and energizing to hang out daily with hundreds of people who share your passion. I even tried to summarize the fun of it in The Journey.

Meanwhile, the Movers Mindset episode numbers kept climbing and I’ve been branching out to interview more challenging guests; challenging for me as I’m forced to converse and discuss topics I know less and less about, but which none the less intrigue me endlessly. In the fall of 2019, this time with help from some of the Movers Mindset team, I was invited back to Art of Retreat. There, we did a second series of interviews for Art of Retreat’s podcast.

If you want to see a more up-to-date listing of what I’ve done in the podcasting space, see my Podchaser creator page.

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It’s really good to be really bad

This is an idea I’ve come across repeatedly during the research I’ve conducted for my various books. There’s something incredibly valuable in the deeply frustrating yet rewarding pursuit of mastering something hard.

~ Cal Newport from, The Deep Benefits of Learning Hard Things

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This idea comes up all over the place, and for good reason. Nearly 3,000 years ago, people like Marcus Aurelius where writing things about the absolute necessity of continual self-study and self-improvement. Books such as G Leonard’s, Mastery and countless bits on the Internet about self-improvement. My personal, direct efforts applied to myself—find some idea, reflect on it, then figure out how (if! of course) to apply it to myself… My efforts remain ongoing.

( I need a special character, or something, that I can put before these questions, to make it clear that I mean this entirely in a non-judgemental way– I only intend to spur your thinking… )

What are you up to?

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Nothing fancy

That’s what you and I need right now.

We need the Kiwi virtues.

Nothing fancy. Nothing heroic. Just do our part and be there for our mates in trouble.

~ Steven Pressfield from, Kiwi Virtues in a Time of Trouble

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I still cannot imagine what the English experienced during the second world war. I’ve long known what, “Keep Calm and Carry On,” was about. But even now that there is a real danger, I still feel zero urge to panic.

Things to do, or not do. Places to go, or not go. Sure. Decisions to be made. People to be helped. Lessons to be learned. Work to be done. Priorities to be reality-checked. Sure.

But, panic? Hoarding? Stigmatizing people? …no thanks.

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Mr. Burgdorferi

In 2016 I achieved my best physical condition in recorded history. Perhaps that sounds funny—”recorded history”—but I mean simply to disqualify everything before I was 25. Before 25 the degree of difficulty for staying in good condition was somewhere between “easy” and “trivial.” That’s not to say I was always in good physical condition before age 25, far from it. I only mean to imply that affecting change was easy before age 25.

My current downward spiral began in the summer of 2019 when I had the misfortune of meeting Mr. Borrelia Burgdorferi. Turns out he’s a total asshole. A full week apart, I had two fevers over 104°F with associated delusions and trips to the emergency room, before enough time had finally elapsed for a Western blot test to confirm that my immune system was intimately familiar with Mr. Burgdorferi. He is in fact a member of the Spirochaete crime syndicate phylum of bacteria, and he has several nefarious cousins who cause, for example, syphilis and yaws. He, and his cousins, have been kicking we humans’ asses forever. You may have heard of Mr. Burgdorferi’s preferred method of torture: Lyme disease.

(Alas, Lyme disease is named after Lyme Connecticut where it was first described, and actually has no relation whatsoever to yummy lime fruits. My hope had always been that it was actually Lime disease, and the preferred course of treatment was with stiff gin-and-tonics with copious fresh lime.)

The treatment—well, actually, there is no definitive treatment for Lyme disease… shit, we’d be happy to have a definitive test for diagnosing Lyme disease. The best intervention is to carpet bomb the entire host organism… that’s me. My physician soon introduced me to my new frenmy Doxycycline, which is a broad-spectrum antibiotic. Basically it kills every bacteria via chemical attack. You see, Mr. Burgdorferi and his cousins have a clever trick whereby they can completely change the protein markers on their outer layer—they can simply swap out their skeevy track suits on Thursday and completely evade the human immune system. Which is exactly why they are still around: They’ve evolved this trick of biologic track-suit-swapping; new suit, no more immune system response and the battle restarts. And now you know why syphilis goes through distinct stages, wins the war and kills your ass in horrible fashion. So the hope with Lyme disease and Doxycycline is that you caught Mr. Burgdorferi early enough and can obliterate all the bacteria via carpet bombing, since your immune system is unlikely to do the job on its own.

Geez, Craig! Where is this going?

Mr. Burgdorferi and a bunch of [mostly] self-induced stress (which I’m completely omitting the explanation thereof herein forthwith etc) were a wicked, one-two punch to my weight. Cue sound of plane going into a dive, and my downward spiral. “…and cut! That’s a wrap!”

Doxycycline wipes out your gut flora too. Each of us is simply a big meat-spaceship created to protect and transport the tiny things living in our digestive track. (I’ll wait here while you think about that.) Doxycycline kills almost all of the passengers in the meat-ship, leaving the ship, (that’d be me you recall,) mostly unscathed, but kicking off a recolonization race among the ship’s passengers. And of course the passengers you’d like to have aboard are the slow ones to regrow. In fact, if enough the of sleazy passengers move back in first, the good one can’t even get on board.

Doxycycline pro-tip: Your doctor will say “take this on an empty stomach, and drink plenty of water.” I call bullshit. Doxycycline comes in these standard pill capsules. And it floats. So it’s difficult to swallow. And the capsules are extremely sticky when you first get them wet. You absolutely will get at least one stuck way back in your throat. If it dissolves there, you literally get a chemical burn, in your throat. Here, I’ll save your life: Contrary to ALL pill swallowing advice, keep the damn thing in your mouth until it just starts to get gooey, and more importantly, slippery. That’s the capsule starting to dissolve after it has soaked up a bit of water. THEN, swallow it with water and it’ll go right down. Next, drink a big glass of water. And then drink another big glass of water.

Doxycycline pro-tip : And then it will make you vomit about 20 to sometimes as much as 40 minutes later. I’m talking about those sudden-onset waves of nausea giving you, perhaps, 2 seconds from I’m-fine-and-happy to barfing. I learned to plan ahead. Taking my daily Doxy was an hour-long planned affair.

Doxycycline pro-tip : When your doctor, who is normally pretty quick with discussion and decisions, pauses and seriously considers whether to prescribe you 14 days or 21 days of Doxy, ask why. It turns out that recent research has shown that 14 days is just as effective as 21 days. My doctor was weighing the fun of taking Doxy against the efficacy. On day 15, when my script ran out, I wanted to buy him dinner.

Meanwhile, I gained 10 pounds in 15 days. Afterwards, my physician—why do we say “my” physician? I’m certainly not responsible for him… Afterwards, my physician goes, “Yeah, sorry, that’s a known side effect, but I don’t tell people that up front because it just stresses them out further.” Thanks Doc. (Tangent for the reader: Go research why they give antibiotics to, for example, cows. Yes, it prevents infection, but—you guessed it—it has the unexplained side effect of fattening them up.)

Anyway, it’s now been several moths of working on what I’m eating as a way to re-reinvent my gut flora as I did 10 years ago when I last started changing my life to pull out of a downward spiral.

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Garrett Moore | Teaching Beginners

On Castbox.fm — Garrett Moore | Teaching Beginners

How can personal storytelling be used as a tool to motivate others to take action and drive community change?

One individual’s experience with chronic pain and Parkour became the catalyst for teaching others to harness their stories for change.

It’s the classic challenge of anyone who’s trying to organize at the grassroots level for any societal change: How to build enough of a consensus amongst a large enough group of people. […] You have to find the group that shares your common values.

~ Garrett Moore (12:07)

The conversation explores the application of personal storytelling as a tool to drive collective action, particularly within the Parkour community. Garrett details his experience leading a workshop at Art of Retreat. He recounts how his session, designed to teach the power of personal narratives in inspiring social change, led to unexpected levels of participant engagement, with multiple attendees voluntarily sharing personal stories long after the session had concluded.

The conversation expands to include broader topics, such as the importance of honesty and vulnerability in leadership, the challenges of grassroots organizing, and the relevance of these skills in non-political spaces. There is also discussion about the intersection of movement practice and social activism, with reflections on how Parkour communities can benefit from organizational tools commonly used in electoral and nonprofit campaigns.

Takeaways

Personal narrative — Sharing personal stories can motivate others to take meaningful action.

Community action — Grassroots organizing benefits from shared values and collective storytelling.

Workshop engagement — A successful session can spark spontaneous participant involvement beyond the planned agenda.

Leadership vulnerability — Acknowledging personal nervousness or imperfection fosters a stronger connection with audiences.

Broader applications — Storytelling tools developed for political campaigns can drive change in local communities and niche groups.

Resources

Garrett Moore @garrett_moves

Art of Retreat — Parkour leadership and education retreat where the workshop took place.

(Written with help from Chat-GPT.)

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Finding the balance

Too warm: Solve all the problems. Do all the things. Turn every idea into an action or object in the real world. And do it perfectly.

Too cold: Relax. Talk to people, occasionally. Read great books. Savor the moments between. How you do this one thing is how you do everything.

Just right:

…nope sorry I got nothing no way in the world I can possibly figure out what’s between these two extremes there’s nothing in the middle warm is perfect until it’s not cold is perfect until it’s not gee if only there was some way that one could find something that was hunh I don’t know maybe a little bit of both meh no warm is perfect oh wait no cold is perfect.

Right. It’s so patently obvious where the balance would lie. And yet, when I’m polarized one way or the other… now, where is that damn forest?! All these trees are blocking my view!

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What is the air speed velocity…

So, I’ve been wondering—to those of you who do interviews—does anyone else find they tend to ask overly complicated questions, or do you somehow manage to make them concise?

All through my podcasting and interviewing journey it’s been illuminating to listen to my finished work after a significant amount of time has elapsed. Often I end up with many weeks or even months between when we record something and when it comes out. There’s nothing quite as motivating—at least for me—as hearing my own work… and cringing and wincing and being horrified… anyway. Along the way I’ve been sniping my most egregious problems as best I can.

…and the current issue I’m trying to work through is my use of questions structure as “A, or B?” You see I did it at the top…

So I’ve been wondering—to those of you who do interviews—does anyone else find they tend to ask overly complicated questions, or do you somehow manage to make them concise?

I do this all the time.

So no more of…

I’ve been wondering, what do you think air speed velocity of an unladen swallow, or do you think that in order to ask that we need to know if it’s the African or European variety?

No no no Craig stop asking complicated questions…

What is the air speed velocity of an unladen swallow? …and then shut. up.

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Disaster is virtue’s opportunity

Do not, I beseech you, dread the things which the immortal gods apply to our souls like goads; disaster is virtue’s opportunity. Those whom an excess of prosperity has rendered sluggish may justly be called unfortunate; a dead calm holds them fast, as it were, on a motionless sea. And whatever befalls them comes as a surprise. Cruelty presses hardest on the inexperienced; the neck chafes at the yoke.

~ Seneca

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Focus

I’ve touched on the importance of focus frequently. Today I just wanted to remind myself of two ways that I often lose focus.

First, shiny-distraction syndrome gives me the urge to try all the things, do all the things, build all the things, fix all the things, improve all the things… This does not end well for me. I’ve been getting much better at sitting with, (as Leo Babauta would say,) the urge to chase the shiny thing. Like a dog being trained to resist an urge; OH A SQUIRREL! …no, sit! …wait …wait (the squirrel moves out of sight) …good boy!

Unfortunately the second way I lose focus is pernicious; I’ll call it shifting-sands syndrome. This happens when I decide to take something on—maybe it’s something small, maybe it’s big, whatever, it’s something I feel moves me towards some goal. “Ok, yes, this is a good thing to work on. This is definitely not shiny-distraction syndrome. I’m in. Let’s do it.”

And then someone else moves the goal posts.

I fall for this all the time. It’s like the sunk-cost fallacy. “I was going to do 42 units of life-energy-work, what’s 2 more?” Hey Craig! I’ll tell you what 2 more is: 2 more is 44 units. Stop and think! Don’t make the decision based on, “it’s only 2 more.” Rather, I need to start over: What’s the task/thing/etc., how much work is it (now 44 units, not just 42), do I want to do it, is it worth it, and so on.

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Scratch the itch

While it’s true (and wise) that…

Not to be driven this way and that, but always to behave with justice and see things as they are.

~ Marcus Aurelius

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…counsels a steady hand on the rudder of one’s life, it is equally important to know when to tack.

There’s a terrific bit of “life wisdom” you learn from sailing which goes as follows. But first you need the four rules for sailing:

  1. Keep the water out of the boat, lest you transition from sailing to swimming.
  2. The wind will try to set you in the direction it blows, just as the wind will push a tumbleweed.
  3. The water, (if there’s any current,) will try to make you drift in the direction it flows, just as the current will float you downstream when rafting on a river.
  4. One cannot sail directly towards the wind. There’s an arc of directions to either side of the direction from which the wind blows that are impossible.

The “trivial” exercise of operating the sailboat in various conditions is left for the reader.

Your challenge then is to get to your destination while following the rules. Interesting journeys will involve being near land, (beware Rule 1 because it’s the wet land that always gets you!) or cover long distances, (beware Rule 2 and 3 because their affects are cumulative and vary with time.) Interesting journeys will involve a specific destination which, thanks to unwritten Rule 5 are always to windward, so you cannot go directly there as per Rule 4.

…but you can go sort of towards it if you aim to the left of the wind’s source. And then you can tack, by turning quickly through the wind and going sort of towards your destination aiming to the right of the wind’s source. Doing so is called “tacking to windward.” Modern sailboats are pretty good at doing this. Ancient sailboats had to switch to rowing, or wait for different wind.

Finally, I can get to this part:

You’re going to be paying a lot of attention, sitting relatively still and watching the sailboat sail. You will also be paying attention to your destination which is almost certainly not directly in front of you. Untrained observers, (if they know your destination,) will be thinking, “why are you going in that direction?” Tacking isn’t very hard, but it slows you down and takes time and effort—you’d rather be sailing along, than tacking many times. (Perhaps at this point you’re thinking about geometry and those related-speeds word-problems you saw as a kid?)

While it’s true (and wise) that, “Not to be driven this way and that, but always to behave with justice and see things as they are.” counsels a steady hand on the rudder of one’s life, it is equally important to know when to tack.

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Rafe Kelley | The Adaptive Athlete

On Castbox.fm — Rafe Kelley | The Adaptive Athlete

How can ecological dynamics and adaptive learning principles enhance movement training and skill development?

Skilled athletes show more variability in their movement patterns, contradicting the idea that precision comes from rigid consistency.

What matters isn’t that you did a jump. It’s what the jump did for you. So that’s the first realization. And once you make that realization, then the way that you look at it changes.

~ Rafe Kelley (14:52)

The conversation explores the application of ecological dynamics and adaptive learning in movement training. Rafe explains how human movement is not mechanical but emerges from the interaction between the body and its environment. He emphasizes that movement training should focus on fostering adaptability by creating environments where athletes self-organize solutions to physical challenges, rather than relying solely on prescriptive coaching.

A significant part of the discussion centers on the emotional and social dimensions of training. Rafe highlights how effective coaching requires not only designing physical tasks but also cultivating supportive emotional spaces that encourage growth. He shares stories of students whose personal growth through movement translated into other areas of life, reinforcing the broader value of movement practices as tools for character development.

Takeaways

Movement practice serves personal growth — The goal is not the jump itself but the transformation that occurs through achieving it.

Ecological dynamics shapes learning — Adaptive movement stems from interaction with the environment, fostering natural self-organization.

Emotional space in coaching — Creating a supportive environment allows athletes to thrive and explore beyond physical limitations.

Variability is key to mastery — Skilled athletes demonstrate variability in their movement paths, showing adaptability rather than strict repetition.

Storytelling enhances teaching — Sharing personal stories and experiences deepens the impact of lessons and connects with students on a human level.

Social connection strengthens practice — Incorporating partner-based or group training creates relational growth alongside physical development.

Insight generation through journaling — Reflecting on training experiences solidifies lessons and integrates personal growth.

Resources

Evolve Move Play — Rafe Kelley’s website featuring workshops, podcasts, and movement resources.

Art of Retreat — Information about the event series focused on Parkour leadership and education.

(Written with help from Chat-GPT.)

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Just write on the walls

Sometimes you just need to scribble on the walls. In recent weeks, I’ve fallen off of a morning exercise habit—long story. Just takes a few seconds for me to scribble out a calendar grid so I can begin a “don’t break the chain” reboot.

We have three of these chalk boards in our house now. It’s simply paint, (it actually has a lot of blue in it, as real slate does,) and you can probably find labeled-as “chalk board” paint anywhere you buy paint. The trick that no one mentions is that you have to sand the wall with fine sandpaper—chalk boards are smooth, and walls are actually not very. Then a few feet of what’s called “brick mould” cross drilled and screwed to the wall, and finally a few sticks of sidewalk chalk.

Oh, one more trick: If you look closely at the image, midway down on the left, there’s a tiny, smooth, rounded nail head barely visible. I drove that fully into the wall, before I painted the chalk board. It enables me to stick magnets to the wall in a few places, so it’s easy to tack up pieces of paper with little magnets too.

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Old dog

I don’t think that anymore. Those fantasies are silly really. As the character Judge Smails played by Ted Knight in Caddyshack so aptly put it, “The world needs ditch diggers too.” … Accepting the fact that you are a contributor to a larger community as opposed to being a Demi-God uberman is not just humbling…it’s a huge relief.

~ Steven Pressfield from, «https://stevenpressfield.com/2014/10/old-dog-new-tricks-2/»

But my biggest challenge is the closely-related problem of continuously thinking about all the things I “should” do. Where, “should,” is a self-evaluated judgement that arises from my thinking about all the things I could do. …and HFS I could do all sorts of things.

Having happily set down all the Big Picture “shoulds,” I’m currently trying to pick off all the true “shoulds.” I’ve learned to stop looking to the stars, and to instead set my sights on the next hilltop. I should put the finishing touches on the garden we built last year. I should get that tree trimmed professionally so it’s good for another 10 years. …those aren’t so bad. But some: I should finish going through all this photography. I should find a home for this pool table. …I’ve been trying to get done for like 10 years.

Overall, there’s a pretty big list, but importantly, the list has not been growing in recent years. On the other hand, it weighs on my mind none the less.

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Soap works best

Because soap really does work best, we continue to hear the medical profession instructing we wash our hands with warm water and soap.

But how can your grandmother’s soap—that ancient and simple human technology—work so well?

What is a lipid? A lipid is a substance that repels water, the way a great raincoat repels water. Fats—all of the types of fat you can think of—are lipids. Lipids stick together and make impenetrable stuff like you find baked onto your casserole dish.

What’s in soap? Some of the molecules in soap are surfactants. Surfactants are certain molecules which actively separate lipids. Surfactants separate lipids the way bouncers break up bar fights: They forcefully insert themselves and separate the individual lipids. That’s why soaking your casserole dish in soap and water magically turns the impossibly-baked-on gunk into easily-rinsed-away gunk.

How are lipids relevant to viruses? Viruses have an outer envelope—imagine a rain coat shaped into a beach ball—that surrounds and protects the contents of the virus. That outer envelope is made from lipids. It’s tough like the baked-on-gunk on a casserole dish is tough.

What’s inside a virus particle? Viruses contain a long string of instructions. Your cells contain your personal set of instructions, called your DNA. Viruses contain a set of instructions similar enough that your cells can follow those instructions. When a virus’s instructions get into your cell, the cell is duped into making more viruses rather doing whatever it normally would do.

What does soap do to the lipid envelope of a virus? It does the same thing soap and warm water do to the crud stuck on your casserole disk. Soap makes the lipid envelope fall apart, exposing the virus’ payload of instructions.

What happens to the virus’ instructions without the protective lipid envelope? The instructions are quickly damaged and made useless. The instructions in the virus are extremely delicate. Exposure to oxygen, (1/5 of our atmosphere is Oxygen,) or light, (we have a lot of that too,) or several things found in soap, will quickly destroy the instructions. The DNA in your cells is just as delicate, but your cells have structures and processes to protect and repair your DNA. But unlike your cells, viruses are very simple; all they have protecting their instructions is a lipid envelope wrapped around the outside.

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