She is going on a mission which means she is heavily invested in performing according to the cultural expectations. Welcome to Reddit, the front page of the internet. Tell her that you want your relationship with her, and her relationship with your children together to be separate from her religion with her god. I have recently seen too much of these false promises that people use to make others feel good. If my mother needed her surgeon's attention, I wouldn't want him to be thinking about his wife's lamenting that he's never home, not romantic, etc. Before I met my husband I had dated quite a few members and some relationships were quite serious but I never felt right about it. I think you need to figure out if you are willing to stay in a relationship with a man who's so busy, because trust me, it's not going to change anytime soon. But from what you said, this girl doesn't sound like she is going to be content to have a marriage for time only.
We have almost daily prayers, scripture reading, and lengthy discussions about our beliefs. But at the hospital, I'm helping the other guy who was injured when his car wrecked six hours ago, and I can't just bail. She asked me not to contact her so that she could have the space she needed at this time. I think patience and understanding is also important. Someday she may really regret everything, and miss you like crazy. My husband is on call today, gone the entire weekend. What am I getting myself into. And Mormons were basically encouraged to marry other mormons.
That desire that they be someone other than who they were when they married you is toxic to a relationship. If you feel peaceful with your decision and you feel it is right that should be helpful. I don't think you should abandon the relationship just because she is lds. It works, though, because I know that his beliefs have great worth.
I have finally learned to pray to change my heart, not his. But I'm trying to determine how much of that behavior is truly down to his profession, and how much of it is him not being very into me or just selfish and unwilling to compromise even if that selfishness is a byproduct of his residency, and not how he would be in other circumstances. Be gentle with them and yourself. If your spouse believes in infant baptism, will you allow the children to have that.