Its okay i am the same i have a bad heart from stress and that fact i hate people and want to hurt them is damaging it more and more, i find listing to reggae and forgetting those "cunts" makes it easier to cause less stress to your self
You probably have a reason, it might not be the best reason, but you probably have a reason. Maybe it's something about the person that you're not consciously aware of yet. Maybe the person puts out a bad vibe that you can't quite pin down?