Izaya Facts ヽ('▽｀)/

Fact#3

He may seem cold-blooded, but he is more human, and his heart more brittle than anybody else, so much so that if you filled it with human love or betrayal, it would break easily, which is why, I think, he chose from the start to avoid it all, to love humanity, you understand? Not to accept, not to face it, to avoid it.", says Shinra, to which Izaya doesn't deny it, but instead curses him for seeing through him.