What is the secret of fairy fortune telling?

Now there are some fortune tellers outside, and people say they are very accurate. They say he is a fairy. Is it true?/You don't say. How did they do it?

Fortune-telling, pun intended, makes sense. For example, your father died before your mother. Logically, it's hard to refute. If you have no father and your mother is still there, the fortune teller will say that your father died before your mother, right? If your mother dies young, the fortune teller will say, father is here, your father is still alive, your mother didn't get it first, and her mother died first, right If your parents were here, the fortune teller would say, I mean the future! Jianghu fortune telling, an application of advanced psychology, allows you to reveal secrets unconsciously, and then break through your defense line one by one along your psychological weakness, making you believe the fortune teller's words and pay for it voluntarily.