So, Im just over 19 weeks and my baby daddy (for lack of a better word) is dating this girl who I absolutely cannot stand. She's rude and disrespectful and not at all an influence I want my baby to have. So his mom asked me if she could invite her to my baby shower, and I explained that I wasn't comfortable with that and why. She understood, but he's pissed off at me over it. I've tried talking to him about it but he just thinks I'm being petty. The closer it gets to time to have her the more th...