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

by Charles Duhigg

Habits, scientists say, emerge because the brain is constantly looking for ways to save effort.

Cravings are what drive habits. And figuring out how to spark a craving makes creating a new habit easier.

The competing routines had become automatic. One habit had replaced another. “It seems ridiculously simple, but once you’re aware of how your habit works, once you recognize the cues and rewards, you’re halfway to changing it,”

In fact, crises are such valuable opportunities that a wise leader often prolongs a sense of emergency on purpose.