Some people hate you very much and think that as long as you exist, they will be uncomfortable all over. Over time, this feeling has greatly increased, which is beyond his tolerance.
He'll want you dead, but he can't kill you. So his subconscious wants to know when you will die.
Then, resentment deepens and becomes an "electric wave" (or something similar) that erodes your brain. His idea was thus conveyed to you.