Your wearable isn't the problem. Your question is.
Gary Wolf co-founded the Quantified Self movement in 2008, back when self-tracking meant pointing an infrared camera at yourself while you slept, and his toolkit today is a cheap Fitbit and a button that records a timestamp. On this episode of the Muscle Intelligence Podcast, Ben gets the method behind it.
Then we cover the rules for doing it yourself. Why HRV and Oura scores are noise until you know your typical range. Why a three-point scale beats a ten-point one. What to do with lab work. Why you must observe for a few weeks before you touch anything. And why acting on a number without tracking the symptoms is the mistake Gary sees most.
About the guest: Gary Wolf is a science journalist, co-founder of the Quantified Self movement, and a former executive editor of Wired Digital and contributing editor at Wired. His new book, The Quantified Self: Learning to Observe (Workman, October 2026), lays out ten reasoning patterns from the history of science that anyone can use to answer their own health questions, across pain, mood, cognition, sleep, digestion, heart health, and hormones.
5 Key Takeaways
The simple, yet most effective way Gary uses his LLM with his health data.
The two-week test he ran to prove his own self-tracking was accurate enough to act on.
Why a ten-point scale will kill a tracking habit, and the two daily ratings Gary uses instead.
The most underrated metric in self-quantification, and the small game you can play with it in a single morning.
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