The biggest enemies of willpower: temptation, self-criticism, and stress. (...) these three skills โself-awareness, self-care, and remembering what matter mostโ are the foundation for self-control.
Kelly McGonigalWe all have the tendency to believe self-doubt and self-criticism, but listening to this voice never gets us closer to our goals. Instead, try on the point of view of a mentor or good friend who believes in you, wants the best for your, and will encourage you when you feel discouraged.
Kelly McGonigalFor most of us, the classic test of willpower is resisting temptation, whether the temptress is a doughnut, a cigarette, a clearance sale, or a one-night stand. When people say, "I have no willpower," what they usually mean is, "I have trouble saying no when my mouth, stomach, heart, or (fill in your anatomical part) wants to say yes.
Kelly McGonigal