
Every week, do one thing in training you don't want to do, by your own standard: the cold first set, the drill you avoid, the session alone. Once you enjoy it, it stops counting. Never pain, injury or danger.
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
C Evidence: contested. The research disagrees. Named, so you can stop worrying about it.
The anterior mid-cingulate cortex is linked to tenacity and superagers (Touroutoglou et al. 2020 review, 🟡) · "it grows and shrinks daily" is an extrapolation (⚠️) · Goggins (🟠).
Not medical, legal or financial advice.
In The Ecosystem every framework comes with a daily action, a room that checks in, and the full library.