Notes on The Power of Habit

By Charles Duhigg

Aidan Hornsby
Jun 19, 2018 · 7 min read
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What are habits?

Habit loops

I. Cues

II. Routines

III. Rewards

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Habits = water

There are these two young fish swimming along and they happen to meet an older fish swimming the other way, who nods at them and says “Morning, boys. How’s the water?” And the two young fish swim on for a bit, and then eventually one of them looks over at the other and goes “What the hell is water?”
— David Foster Wallace

Keystone habits


How to create new habits

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The Golden Rule of habit change

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How to change your habits

Step 1: Identify the (B) routine

Step 2: Experiment with (C) rewards

Step 3: Isolate the (A) Cue

Step 4: Have a plan

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