I am in a lot of pain. Someone confronted me with my probably biggest shortcoming about social interactions. I am stuck in my head and in my world. I can't get out of it.

Apart from that person being a total jerk, this point was correct: I do not care about other people's experiences unless I can learn something from them myself. I do not care about others just for the sake of others. That has been a problem even since I learned to speak. My parents would point it out to me often. That I do not care. I didn't.

Why?

I am not selfish. I do not understand the concept of another person as the object of my attention. I have spent my earliest months/years on my own, maybe that is why? I am concerned that other people are happy. But I could not care less about their last vacation or number of siblings. I am interested in how their mind works. But I am not interested in the color of their eyes. I am interested in how, not in what. That is the main theme of my entire life. Not what but how. My parents have rejected me for that first, then the peers, then friends, then this jerk.

It is terrifying me, because I do not understand why I differ and how to change it. I see it hurts and offends people a lot and I do not understand why. When someone behaves in that same fashion towards me I do not feel bad about it.