The Power of Habit (Charles Duhigg) – Book Summary, Notes & Highlights

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Hey guys, I’m back again with another “Book Summary, Notes & Highlights” post! Today’s featured book is The Power of Habit by Charles Duhigg. Power of Habit is a book based on case studies that focus on why people do what they do (habits). This book was a very interesting read!


Routine is very important for a new habit to be able to stick!

Habits are little shortcuts that our brains create to do things as efficient as possible.

You have to be able to recognize the difference between good and bad habits.


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

An efficient brain allows us to stop thinking constantly about basic behaviors, such as walking and choosing what to eat, so we can devote mental energy to inventing spears, irrigation systems, and, eventually, airplanes and video games.


Cue: a trigger that tells your brain to go into automatic mode and which habit to use

Routine: can be physical or mental or emotional

Reward: helps your brain figure out if this particular loop is worth remembering for the future

The reason the discovery of the habit loop is so important is that it reveals a basic truth: When a habit emerges, the brain stops fully participating in decision making.

New habits are created by putting together a cue, a routine, and a reward, and them cultivating a craving that drives the loop.

To overpower a habit, we must recognize which craving is driving the behavior. If we’re not conscious of the anticipation, then we’re like the shoppers who wander, as if drawn by an unseen force, into Cinnabon.

The Golden Rule of Habit Change: You Can’t Extinguish a Bad Habit, You Can Only Change It.

Small wins fuel transformative changes by leveraging tiny advantages into patterns that convince people that bigger achievements are within reach.

Willpower is a learnable skill, something that can be taught the same way kids learn to do math and say “thank you.”

This is how willpower becomes a habit: by choosing a certain behavior ahead of time, and then following that routine when an inflection point arrives.

Routines create truces that allow work to get done.

I hope that you enjoyed this post! Leave me a comment of what I should read next!

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