But what if you’ve learned you’re sort of always supposed to smile? Even when it’s not a direct, appropriate emotional response to someone else’s smile? For example, what if you’re a woman walking down a New York street and some guy on the sidewalk yells, “Hey, why aren’t you smiling?” That should count as a stressor.[*33] It’s a reprimand. It’ll probably train you, consciously and unconsciously, to smile more.