Lied about having a baby mama?

It’s it common to lie about having a baby mama? My boyfriend lied and said a woman was his baby mama when she wasn’t. I asked her and she said she never had a baby with him. It was true!!! Did he lie and say it was his baby mama so he can have sex with both of us at once... you know to make it look like he can’t escape and has no choice but to meet up with her. I think he’s attached to her because that’s who he and when he first got out of prison. Is it a common thing for men that got out of prison to cheat constantly with exes and a baby mamas? The two men that I’ve ever had went behind my back with exes and baby’s mamas. They both been to prison. (I don’t purposely choose prison men.) Why lie and say she’s your baby’s mam if she doesn’t have kids for you? Weird.
Lied about having a baby mama?
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