The Power of Habit: Why We Do What We Do and How to Change

by Charles Duhigg

This is how new habits are created: by putting together a cue, a routine, and a reward, and then cultivating a craving that drives the

That’s the rule: If you use the same cue, and provide the same reward, you can shift the routine and change the habit. Almost any behavior can be transformed if the cue and reward stay the same.