Is there any scientific basis for fortune tellers to hide for a day?

No, you have to believe it. There are no ghosts in the world. But you'd better eat more, because when you go out that day, you will think, what will happen to me? If you think about it, something will happen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .