But the people in our lives care enormously whether we yield to our first unwelcome impulse (for example, rudeness, cruelty, rage) or we stifle the impulse and come up with a better choice. With people in the mix, mere habit can’t guide our behavior. We must be adaptable, not habitual—because the stakes are so much higher. If I surrender to my nicotine craving and smoke a cigarette, I hurt myself. If I lose my temper with my child, I hurt my child.
