The Power of Habit: Why We Do What We Do in Life and Business

Charles Duhigg


The Power of Habit is a work of nonfiction. Nonetheless, some names and personal characteristics of individuals or events have been changed in order to disguise identities. Any resulting resemblance to persons living or dead is entirely coincidental and unintentional.

Copyright © 2012 by Charles Duhigg

All rights reserved.

Published in the United States by Random House, an imprint of


The Random House Publishing Group, a division of Random House, Inc., New York.

RANDOM HOUSE and colophon are registered trademarks of Random House, Inc.

Library of Congress Cataloging-in-Publication Data


Duhigg, Charles.


The power of habit : why we do what we do in life and business / by Charles Duhigg.


p.   cm.


Includes bibliographical references and index.


eISBN: 978-0-679-60385-6


1. Habit.   2. Habit—Social aspects.   3. Change (Psychology)   I. Title.


BF335.D76 2012


158.1—dc23                      2011029545

Illustration on this page by Andrew Pole


All other illustrations by Anton Ioukhnovets

www.atrandom.com

v3.1

CONTENTS

Cover

Title Page

Copyright

Dedication

PROLOGUE


The Habit Cure

PART ONE


The Habits of Individuals

1. THE HABIT LOOP


How Habits Work

2. THE CRAVING BRAIN


How to Create New Habits

3. THE GOLDEN RULE OF HABIT CHANGE


Why Transformation Occurs

PART TWO


The Habits of Successful Organizations

4. KEYSTONE HABITS, OR THE BALLAD OF PAUL O’NEILL


Which Habits Matter Most

5. STARBUCKS AND THE HABIT OF SUCCESS


When Willpower Becomes Automatic

6. THE POWER OF A CRISIS


How Leaders Create Habits Through Accident


and Design

7. HOW TARGET KNOWS WHAT YOU WANT BEFORE YOU DO


When Companies Predict (and Manipulate) Habits

PART THREE


The Habits of Societies

8. SADDLEBACK CHURCH AND THE MONTGOMERY BUS BOYCOTT


How Movements Happen

9. THE NEUROLOGY OF FREE WILL


Are We Responsible for Our Habits?

APPENDIX


A Reader’s Guide to Using These Ideas

Acknowledgments

A Note on Sources

Notes

PROLOGUE


The Habit Cure

She was the scientists’ favorite participant.

Lisa Allen, according to her file, was thirty-four years old, had started smoking and drinking when she was sixteen, and had struggled with obesity for most of her life. At one point, in her mid-twenties, collection agencies were hounding her to recover $10,000 in debts. An old résumé listed her longest job as lasting less than a year.