As ideas how to get him back?

Why my baby daddy say he wanna co parent but he talking to other females and with me it’s like he not even in relationship it’s all about me 24/7 leaving emoji’s like we Purple Heart 💜 emoji’s , he calls me by my name he has pet name for me same as when we was in relationship now he just gave me another nickname sunny he lets me call him butterfly if his family say sum about me he defends me why is he being confusing I’m new mom just gave birth 2 weeks ago
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Why is he doing all this if we just co parenting and I’m showing no interest in him
As ideas how to get him back?
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