I am an only child, and I’m only having one kid. Here’s why — Here is a guaranteed conversation starter: Tell someone you’re an only child, born of an only child, who has decided to have an only child. Being an only child is somewhat unusual to begin with. Two generations is rare. But three in a row? …

You use your phone too much. Here’s how to stop the cycle. — You, like most people, probably use your phone too much. People spend an average of four hours a day staring at their handheld screen, according to the time-tracking app Moment, and that doesn’t include time spent using their phones to do other things, like listen to podcasts or take calls…

The psychology of why you can’t look away — and how to do it anyway — Pop quiz: On average, who do you spend more time thinking about? A. Your best friend B. Donald Trump A. Your mother B. Donald Trump A. The person you love the most in the world B. Donald Trump If you answered all Bs, you’re in good company: America is obsessed…