The Power of Habit
Chapter 1 Duhigg begins by introducing the concept of the “habit loop,” which consists of three parts: a cue, a routine, and a reward. He tells the story of Eugene, a man who lost his short-term memory after brain damage but was still able to form habits unconsciously, like finding his way home during walks. This shows that habits are stored in a different part of the brain than memories, making them powerful and automatic. The chapter establishes that habits shape much of our daily behavior even when we aren’t aware of them. Chapter 2 The second chapter explores how habits can be changed by focusing on the cues and rewards while altering the routine in between. Duhigg uses the example of a woman who quit smoking and transformed her life by replacing destructive habits with healthier ones. He emphasizes that to change a habit, you don’t erase it—you overwrite it with a new routine that still satisfies the same craving or reward. This idea sets up the foundation for personal habit trans...