How would you feel? would I be wrong?

My child’s father who I am living with and I guess dating his other sons birthday is tomorrow and his teenage daughter is going but around 2pm she doesn’t like me and he keeps mentioning how he can take our baby and I can go pick up a shift or something. It’s obvious I’m not wanted there and I’m thinking about keeping my baby here with me
How would you feel? would I be wrong?
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