Guys, Am I sensitive or is he a jerk?

Guys, I've been dating a guy for just over two years. He likes to joke around, but when is enough really enough. He's a self proclaimed a$$hole and said it's the way he was raised and I need to grow a backbone, get a thicker skin, sling it back, etc.

He says things like, "Jesus, you could make a roomful of clowns kill themselves." Or, "You're the reason people have abortions" Or, "You're no looker, but you're loyal." And when I get upset, he tells me that it's just words. Sticks and stones. That I'm acting like a baby. And he's also said that if he'd listened to me that he'd be dead.

What do you think? Am I just too sensitive or is he going overboard?
Guys, Am I sensitive or is he a jerk?
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