Most of us have been told by a teacher or parent, “If you lie down with dogs, you will get up with fleas” or (近朱者赤、近墨者黑) -- basically, ‘one takes the color of one’s company.’ It turns out this is also true of antisocial behavior and depression among adolescents, who gradually spend more and more parentally unsupervised time being influenced for greater or for worse, by their friends.
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