Whether you like it or not, you are both married to medicine. Her experience may or may not be typical, but it is something to consider. As a man who married a non-Mormon woman, my story has a slightly different view point, but it comes down to essentially the same principles. Is this a sign of my own weakness. If she doesn't care that you aren't a member now, if your relationship goes on long enough, she is going to care eventually.
You can't gamble on her seeing Mormonism for the shit show that it is. She is going to be taught for the rest of her life in the church the importance of missionary work and eternal families, and Priesthood in the home. Even though it sounds like she is very Mormon, I feel that this will help her.
Consider yourself above many things. There's a ton of crazy in what we were taught all our lives. Many Mormon girls place the cart before the horse. I've been holding out, mostly contentedly, for a time when we could appreciate each other as unique individuals. She likely believes that her time as a missionary was preparation for marriage. To Anonymous Jan 25, He clearly does not care for you the way that you care for him. I hope he can do it. I can see why people get a divorce when their kids get older. No matter what anyone says.
I love him so much, but it's torture spending so much time without him. I feel like I belong to a sisterhood who understand my life. I have to say that reading this is exactly what I needed today.