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研究发现人们相爱的真正原因:出于生殖要求
Want a big family? According to a recent study, you'd best be in love with your partner, and pick that partner yourself. According to the study, published Tuesday in Frontiers in Psychology, couples in Tanzania's Hadza tribe—hunter-gatherers who live as people did 10,000 years ago (before farming demanded remaining in one place)—those who reported high levels of commitment had the most children.
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