What is fortune telling? Why do some people believe it?

Fortune-telling is a superstition handed down from feudal times, and many people still believe it now. They also don't want to think about why fortune tellers don't do their own calculations, but only do them for others. It's not work yet. Smart people can know something from your mouth, appearance and facial expression, so they will think that fortune-telling is very accurate, but it is not. And those who want to calculate their future, career, marriage, because there is not enough confidence to grasp the future. ..........