Why can fortune tellers figure out how many spins there are on the top of their heads?

It is recorded in this ancient book that fortune-telling sees the same combination of eight characters, so it is just an expression, and sometimes it is right. It must be the result of ancient life case statistics, which will have certain accuracy. For example, children are born with robbery, and the main top has a double spin. In the first year of Jiaxu, there were two plays and many twists and turns. Of course, there are other viewpoints, which are nothing more than experience and sometimes wrong, but people often ignore their inaccuracies and should publicize their magical side.