Psychology: Emotions

Bittersweetness is a tendency to states of long­ing, poignancy, and sorrow; an acute aware­ness of passing time; and a curiously piercing joy at the beauty of the world. It recognizes that light and dark, birth and death—bitter and sweet—are forever paired. If you’ve ever wondered why you like...

Self-mutilation is a behavior so shocking that it is almost never discussed. Yet estimates are that upwards of eight million Americans are chronic self-injurers. They are people who use knives, razor blades, or broken glass to cut themselves. Their numbers include the actor Johnny Depp, Girl,...