The Willpower Instinct: How Self-Control Works, Why It Matters, and What You Can Do To Get More of It

by Kelly McGonigal

you’re like most of my students, you’re probably wondering where all this leaves us. The promise of reward doesn’t guarantee happiness, but no promise of reward guarantees unhappiness. Listen to the promise of reward, and we give in to temptation. Without the promise of reward, we have no motivation.

Possible cause of depression in those with ADD/ADHD is desensitization Along with bein g aware subliminally of the failings of willpower.