The issue I have with our home is that he bought it originally when we first moved in together. He never (and I never asked) that my name be added to the deed. That is why he pays the mortgage.
Have you checked into this, and confirmed it? What state are you in?
Depending on the state (mine -- FL -- is a "community property" state, and our home, that I closed on the day before we got married, became half hers the moment we married), you may or may not have a real interest in the home, regardless.