一般来说,男人会和比自己年轻的女人结婚.而女人也愿意和比自己大的男人结婚。但是,我们不禁要问,造成这种选择的原因是遗传还是环境?还有,夫妻间到底有没有最佳的年龄差?新的研究发现,至少对于工业化前芬兰的萨米人来说.男人应该和比自己小15岁的女人结婚才能让自己留下最多的后代。 In general, men marry younger women than themselves, and women are willing to marry men larger than themselves. However, we can not help but wonder whether the reason for this choice is genetic or environmental? And is there any difference in the optimal age between husband and wife? New studies have found, at least for the Sami in pre-industrial Finland, that men You should marry a woman who is 15 years younger than yours to get yourself the most offspring.