Daughter-in-law and mother-in-law are in conflict. Can mother-in-law take over the basin?

Daughter-in-law and mother-in-law are in conflict. According to the folk custom of marriage, there is a misunderstanding that mother-in-law can't take over the basin.

In the actual forecast, the combination of horse and ox, snake and tiger (Xiangke) is a happy family with love and kindness. And two very harmonious divorcees are everywhere. This is a feudal superstition custom.