Better Than Before: What I Learned About Making and Breaking Habits--to Sleep More, Quit Sugar, Procrastinate Less, and Generally Build a Happier Life

by Gretchen Rubin

A very effective safeguard for that situation is the planned exception, which protects us against impulsive decisions. We’re adults, we make the rules for ourselves, and we can mindfully choose to make an exception to a usual habit by planning that exception in advance.