IT’S ALL ABOUT EVOLUTION: Chimps and orangutans may experience midlife crises, say scientists. “Radical and often ill-advised changes in lifestyle have become the calling cards of the midlife crisis, but if it is more than a myth, then humans may not be the only animals to experience it. Now an international team of scientists claims to have found evidence for a slump in wellbeing among middle-aged chimpanzees and orangutans. The lull in happiness in the middle years, they say, is the great ape equivalent of the midlife crisis.”

I think a midlife crisis is designed to kick you into breeding again before it’s too late. That may not be what you think is going on, but . . . .