Not a free member yet?
This girl is also a real person, not a caricature of a cult member, and even if the ultimate result is a breakup, she deserves to be treated with compassion and respect. Many men have begun leaving the Church in their early twenties as the mission has become more important. Make an honest effort, and see if you reach the walk-away point. Unless you convert she won't marry you, plain and simple. I hate to be so undiplomatic, but it will always create friction in your life to have this level of religious difference. Ultimately we broke up. Thank you for your sacrifice. It would be ludicrous to think otherwise. He too goes to the vacation house a lot to take care of the property and the boat on most weekends he is not on call, and it has been something I have been made to accept.
Let her go right now then. I want to do that though with my husband involved, not be married and be like a single mum. My husband and I have been together since we were year-olds at university trying to figure out where we stood with the faiths we had grown up in. She's a wonderful person and I think we could work, so yes.