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

Andy Warhol said, “Either once only, or every day. If you do something once it’s exciting, and if you do it every day it’s exciting. But if you do it, say, twice or just almost every day, it’s not good any more.”