Austria: 99.98%. Germany: 12%. Same people. One checkbox.
Two neighboring countries. Same culture, same language, same hospitals. In one, almost everyone is an organ donor. In the other, almost nobody. Nobody decided anything.
Austria: you're a donor unless you say no. 99.98%.
Germany: you're not a donor unless you say yes. 12%.
Johnson and Goldstein, Science, 2003.
People didn't choose. The form chose.
Same with pensions. Companies switched to automatic enrollment. Participation jumped from under half to over 80%. Same workers. Same salaries. New default.
Defaults run your life and you never see them.
You don't have a willpower problem.
You have a default problem.
The skill: list what happens if you do nothing.
Your savings. Your phone. Your mornings. Your subscriptions.
Whatever happens when you do nothing is your real decision. Somebody else made it.