Why can ancient men have three wives and four concubines and women can't have three wives and four concubines? Even in the period of equality between men and women.

There was never a saying of three wives and four concubines in ancient times. In ancient times, monogamy was actually practiced. "Wife" is being married by the Ming media. There must be "the life of parents, the words of matchmakers." It is to be carried in a big sedan chair and belongs to family members, that is, relatives; The concubine is not so troublesome. "Concubine" belongs to private property, so you can take it home directly without telling your parents and give it away later. This is the same for the royal family and the people.

Regarding the equality between men and women, there is an interesting metaphor in modern times: if men are compared to teapots and women to teacups, a teapot is always equipped with several teacups, but a teacup is never equipped with several teapots. The reason is simple!