>>5650771I'll give you a few reasons.
If you don't hate anyone, it means that there isn't anything you believe in strongly enough to hate those who would oppose it. It means that you lack conviction, and a person without convictions is unpleasant in a way no righteous man could ever dream of. It means that you're weak, that you bend when push comes to shove, which makes you unreliable, another unattractive feature for anyone who would be your friend. It also means that you lack passion. If you don't care enough to hate, you can't possibly care enough to love anyone else thoroughly.
