If you treat me like shit, you are an asshole. Period.
If I treat you like shit, I'm an asshole too.
I don't WANT to be an asshole. In fact, I try really hard NOT to be, but I'm also not going to stand there and continue to be treated like shit by some other asshole.
Then you make it even worse, and tell me that it's MY fault that you're such a fucking asshole. Really??
If I had that kind of power I'd certainly turn you into something better than an asshole. In fact, I have frequently begged you not to be an asshole. But you seem to enjoy it.