The fortune teller said that he would retaliate against me, that he would fix my name and date of birth, that he would do it in the place with the heaviest yin, and that I was a month.

The fortune teller said that he would get back at you. He has already fixed your name and birthday. He will give you a seat in the heaviest place in Yin Qi, and you will die within one month. You don't need to believe these words at all, because fortune tellers always observe your state by feeling and talk casually. What they say is neutral, so don't care at all, don't take it to heart. Everyone should believe in science in today's society.