The cover story in the December, 2014 Atlantic is an article by Jonathan Rauch entitled “The Real Roots of the Midlife Crisis.” His description of midlife, though, is not so much of a crisis but of a low point in the road, a dip that for some is barely perceptible but that for many sinks to dejection. I’d term it a midlife slough rather than a crisis.

Evidence has accumulated for some time that life satisfaction tends to decrease in midlife. Across many cultures and different research samples, happiness tends to decline during the early decades of adulthood, reaching a low point in the mid-forties. It then increases into late adulthood, until the seventies or so, when illness and disability are likely to put a damper on one’s sense of contentment. This pattern of age-related changes in life satisfaction is known as the “happiness U-curve.” Researchers measure happiness in various…