Throughout history happiness for most people followed a U-shaped curve. They were happy in their youth, became less happy during middle age, then became happy again in the later years of life.


Between 1993 and 2016, despair was hump-shaped in age. The rapid rise in despair before the age of 45, and especially before the mid-20s, has fundamentally changed the lifecycle profile of despair such that the hump shape is no longer apparent.


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How to Have a Great Vacation: What Science Tells Us. Limit our choices and spend less time doing specific activities.
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Why We Get Bored of the Best Things in Life—and How to Fight It. Our minds are wired to habituate to any situation
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Dr. Pepper passes Pepsi’s second place market share for soda:

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