Health

Physical discipline is the other half of the engineering mindset — show up, systematize, measure.

Four evidence-based pillars I keep coming back to: how I train, what I eat, the systems that keep me consistent, and the science of staying useful for decades.

Training (CrossFit) pillar banner
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01 · Training

Training (CrossFit)

CrossFit's definition — constantly varied functional movements executed at high intensity — is also a useful engineering principle: vary the stimulus, measure the output, avoid overuse.

  • Varied loads, time domains, and movement patterns prevent plateaus and overuse injury
  • Functional movements (squat, hinge, press, pull) transfer to real life
  • Intensity is relative and scalable to any level
  • Track work output (time, load, reps) to make progress measurable
  • Consistency beats peaking

Source · CrossFit (constantly varied programming); PMC NIH (CrossFit physical fitness review).

training in motion

From the floor, not the brochure.

A selection of short clips — bar work, conditioning, recovery — to show the pillar in practice. Tap any clip for the full player.

Nutrition pillar banner
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02 · Nutrition

Nutrition

Treat food as fuel and recovery: enough protein to repair, enough carbs to train, enough fat to keep hormones healthy.

  • Protein ~0.6–1 g per lb bodyweight, split into 20–40 g doses every 3–4 hours to maximize muscle protein synthesis
  • Carbs are the primary fuel for hard training and the recovery after it
  • Fats ~0.4 g/lb support hormones and recovery
  • A simple starting split is ~40% carbs / 30% protein / 30% fat, adjusted to goals
  • What you measure (even loosely) you can improve

Source · International Society of Sports Nutrition; NIH (dietary protein & muscle mass).

Habits & Discipline pillar banner
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03 · Habits

Habits & Discipline

Motivation is unreliable; systems are not. The Stoics knew it, and so does modern behaviour science.

  • Every habit runs a loop — cue, craving, response, reward; to build one: make the cue obvious, the action attractive, the response easy, the reward satisfying (and invert each to break a bad one)
  • Write an implementation intention — 'I will [behavior] at [time] in [place]' — it roughly doubles follow-through
  • Stack new habits onto existing ones
  • Discipline is just well-designed habits on autopilot

Source · James Clear, Atomic Habits; NIH (implementation intentions).

Health & Longevity Science pillar banner
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04 · Longevity

Health & Longevity Science

The goal isn't lifespan — it's healthspan: the years lived fully, physically and mentally.

  • Distinguish lifespan (total years) from healthspan (years in good function)
  • Peter Attia's four pillars — exercise, nutrition, sleep, emotional health — with exercise the single most powerful lever
  • The metrics that matter most: cardiorespiratory fitness (VO₂ max), strength & muscle mass, and Zone 2 aerobic base
  • 'Medicine 3.0' = proactive prevention over reactive treatment
  • Train for the decades, not the mirror

Source · Peter Attia, Outlive; Johns Hopkins Medicine (aging).

recovery & longevity

The other half of the work.

Cold exposure and decompression — the boring, deliberate practices that keep the training possible.

On mindset

Health is where the stoicism gets a body.

Discipline over motivation. Systems over willpower. Showing up on the boring days. The same principles that hold for the gym hold for the workshop, the codebase, and the rest of a life worth living.

Read mindset writing