My ex wants me back after breaking up with me?

My ex once a time told me that he was changed and wanted to break up with me then blocked me everywhere without caring about how much I cried and how I will get over it. Then after 4 months we contacted again and I agreed to stay as friends but he thought he had a chance again. So now when he learned that I have a new relationship he said that it hurts him and he loves me. He said "he will cheat on you he will get you pregnant and will leave you, young boys are like that" and then I answered "now you care about me?" And we stopped talking. What do you guys think about his behaviour?
My ex wants me back after breaking up with me?
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