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My gf is 21 weeks pregnant and I'm not sure what to do. She is extremely rude to me. I am working a full time and a part time job, and I don't even have a nice place to come home to. Nothing I say or do is right. I feel hated. She always tells me that I don't give a shit about her or the baby, when my actions should prove otherwise. I just don't understand. All want is the best for us. I think part of the problem may be our age difference. I am 21... she is 31. She already has kids, and only one that she has half custody of. I don't like the way she lets her son act the way he does, and it makes me think that she isn't going to let me help raise OUR son because she already has "experience". She constantly threatens to leave me and if she does I will never see the baby. I haven't even done anything wrong! I'm not saying that I'm perfect... but I'm not an asshole!

Her son is jealous of me, so when he is with us, I can't even be in the same room with her without him. And she tells me to shut up when I try to talk to him about it.

I'm just afraid that I have made a big mistake.
And if I break up with her, can she really take full custody of the baby and not let me see him?

PLEASE ADVICE WOULD BE WONDERFUL!