Y delete me only to readd me and then tell me to leave him alone?

My boyfriend broke up with me this morning after a miscommunication. It was very offputting. It seemed like he suddenly pulled up arguments and fights from our past and used those against me as a reason to break it off. He told me that I cause him stress and he doesn’t want this anymore. It was very unexpected and heartbreaking. He told me he wanted to be done and then deleted me only to readd me less than an hour later. And then less than a couple hours after this he sends me a message to “just leave him alone.” He added me and sends me that? Make it make sense.

Y delete me only to readd me and then tell me to leave him alone?
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