"In all human cultures, the social world has two clear dimensions: a horizontal dimension of closeness or liking, and a vertical one of hierarchy or st...

It is not clear that married people are, on average, happier than those who never married, because unhappily married people are the least happy group of all and they pull down the average.
It is not clear that married people are, on average, happier than those who never married, because u...
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