There’s a final layer of neurochemistry that drives group bonding—oxytocin. While oxytocin has been touted as the “cuddle drug,” the “love hormone,” and even the “moral molecule” because of its ability to prompt generosity and bond mother to child and lover to lover, it, like most explanations of the biology beneath our psychology, isn’t quite that simple. “Now these studies [showing the positive effects of oxytocin] are scientifically valid, and they’ve been replicated,” Crockett explained at TED, “but they’re not the whole story. Other studies have shown that boosting oxytocin increases
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