What could of been his motive of coming back?

So i blocked my long distance ex boyfriend from my phone last weekend after he lied multiple times about coming to visit me in MD. He is from NC. Anyway when it was time for him to leave he started making excuses and telling all these lies after promising he was coming so I blocked him. I phone lets you listen to blocked voice mails and he left one saying to please call him. No apology or nothing. So i text him thinking I would get an apology only for him to say he was hoping he could vent to me because he has a lot going right now, he made some enemies, and he was about to kill somebody and also asking me if I thought he was still cute. No remorse, no apology, no explanation just foolishness. Can anybody tell me what his motive might of been?
What could of been his motive of coming back?
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