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

unfixed habit requires more decision making and adjustment: I’m in the habit of going to the gym on Mondays, and I write every day, but every Monday I must decide when to go to the gym, and I must decide when and where I’ll do my daily writing.