How to use it
When the first voice says "you can't", answer it by name: "[Name], you've done harder. One more set." Firm, never cruel. A coach talks like that; a bully doesn't.
How sure we are
S Evidence: strong. Large trials or many studies, pointing the same way.
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
Sources
Self-talk by name improved performance and emotion control under stress (Kross et al. 2014) · heavy "I"-talk goes with distress, though the link is small (r = .10 across 4,754 people; Tackman et al. 2018, 🟡) · self-compassion raised motivation to improve (Breines & Chen 2012, 🟡) · Goggins (🟠).
Not medical, legal or financial advice.