Boyfriend and his babymother?

I have never met my boyfriends daughter until yesterday he told me a few months ago he didn’t want to introduce us yet because she’s young and him and his babymother talked about not having anyone else around there child I just met my boyfriends daughter Yesterday today he’s asking me to be quiet when his babymother FaceTimes there daughter because he didn’t tell her there child was going to be around me I thought he had a conversation with her about there child being around me I told him he should go to his car and I’m not being quiet in my own home and he got mad is that weird? Should I break up with him?
Boyfriend and his babymother?
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