Why is she so upset when I had him first?

My boyfriend baby mother is online saying that I'm stupid because I stayed with him knowing he got her and some other female pregnant. She's mad because we have a picture online with my family at a fashion show. But his whole face is covered. he didn't even give me a hug. We're just standing side by side. But anyways, I don't know why she's on my page. She keeps posting messages of him and their kid like we really care. According to her he only told his male friends about the baby and never told me or his other side chicks about the baby and that's why she's MAD. I'm trying to figure out why she's mad when I was with him first? She was just a hit and quit, OBVIOUSLY. HE DOESN'T even want nothing to do with her or the baby. 🙄

Why is she so upset when I had him first?
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