Why does my ex tell me he has a new girlfriend?

Anonymous
So, we broke up after being on and off for years. I love him, but it just didn't work. I was the one who told him "he has to leave me alone, we can't be friends, etc".

So, no contact. He called to congratulate me on graduating. I said thanks, then something snarky and didn't talk to him for 3 months again. So, I sent just a link to an article that was funny for us. He asked how I was. I just said "good. Hope all is well with you". I don't want to know how he is, I just sent the email to kind of say "i don't hate you anymore,etc".

He responds back about how he is so happy with his new girlfriend. WTF! I didn't ask. Did he just do it to make me jealous? So I won't contact him anymore?

It's bothering me.
Updates
+1 y
I should add that I love him. So much. I just can't be just friends with him. But I didn't want it to be hostile. But to tell me about the new girlfriend just seemed 'mean' . . as if he said it to try to hurt me. Why would he do that?
Why does my ex tell me he has a new girlfriend?
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