This thread makes me think of a friend of mine. She had a baby with this guy and then later, they got married. But they weren't really compatible and he was, apparently, completely incapable of doing anything good for her, emotionally speaking. She felt like a burden and was often stuck with the baby and little adult companionship. They had problems. They sort of reconciled. For some reason, they thought it was a good idea to have a second baby. Things got worse, as she fell into post partum depression again. He was completely not there for her.

Eventually, she realized she had to leave and divorce him (after people had been telling her for ages to leave him). The divorce? Is nasty. Really nasty.

Anyway, I'm with the others, FJ, if it isn't working out? Get out. Now rather than later. If that means telling him he has to live somewhere else for a while, that's fine. I'd see Montana as a last resort sort of thing. But even if you get out, you make sure he's doing his part for the baby (hell, that's been my friend's other problem, the guy insisting on not actually paying his fair share).