In fact, Foucault is an ancient astrologer's superstition that the husband's life and wealth are bound by the core monument of his wife's life and are in danger.

In ancient China, people believed that a woman's appearance or fate would affect her husband, which was called Foucault. From the theory of Sansheng, it can be divided into two kinds: Kefu Wangzi and Kefu Kezi. According to Yin-Yang studies recorded in Connecting the Ancient Biography and Zheng Yi, there is no accident in this world, only necessity. No matter how small the encounter is, it will definitely affect the fate in the future, and the conclusion of fate will not disappear. The world looks big, but it's actually small, limited to what you can see and touch.