Guy's Behavior

Why would he want to hurt me back so badly when I unintentionally hurt him?

So me and this guy just broke up the way it happened really sucked we both did it all wrong. I said some things that hurt him a lot of it he took out of context through text so it got misinterpreted and misconstrued. It’s been 4 days before yesterday he was still being nice to me we’ve cried together about this. Then all of a sudden he tells me yesterday how he can’t stand me a little bit. He also tells me that he doesn’t have any feelings for me anymore they’ve faded away. Today he’s deleted me on Snap Chat and when I text him to say something about it he doesn’t respond so I guess he’s ghosting me now. After I told him the other night I would be really hurt if he did that. How long will all of this last?

Why would he want to hurt me back so badly when I unintentionally hurt him?
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