The longevity of marriage and statistical crescendos of divorce rates make us wonder whether man is moving back to being a polygamous animal or is it just the way human spirit is supposed to evolve?

• 婚姻寿命的缩短以及离婚率的提高让我们开始怀疑人们是不是退化到了一夫多妻的动物或者这只是人类精神进化的一个方面。