Buddhist fortune-telling dreamed that he was singing with a strange man, who was a waitress.

Could this be an unpleasant memory between you and your ex-boyfriend?

Because you don't want to miss him now, you suppress yourself from thinking about him, so his face in the dream is replaced by that of a strange man.

So you dreamed of singing with a strange man and he touched you.

Actually, you just dreamed about your ex-boyfriend.