A lot of child/parent relationships can be difficult during the teenage years. I obviously don't have the kind of information to make a judgment on your family situation, but I would suggest you think on more than the last few years, and the role this woman had in affecting your relationship with the people who love you. “A few years” and “three years” don't seem like they can be all that different in an 18 year old's life.
An atheist doesn’t require their partner to convert to their belief. That’s literally the opposite of atheist.
A lot of child/parent relationships can be difficult during the teenage years. I obviously don't have the kind of information to make a judgment on your family situation, but I would suggest you think on more than the last few years, and the role this woman had in affecting your relationship with the people who love you. “A few years” and “three years” don't seem like they can be all that different in an 18 year old's life.
No pets means no visitors either. It’s his housing situation you’re putting in jeopardy. Act a little more mature about it