I trust him and I highly doubt he's getting "it" from someone else. It won't be easy. If you feel peaceful with your decision and you feel it is right that should be helpful. I can be part of a church family whether my spouse goes or not. Now that I am married, it has become more apparent that his previous comments about not minding if his wife has a career, were not entirely accurate.
Trying to maintain a long-distance relationship with someone at home or attempting to date someone you meet while on mission are both distractions. The Church of Jesus Christ of Latter-day Saints teaches that all sexual relationships outside of marriage defined as the legal union between a man and a woman are sinful. They could fill a book, the stories I could tell. Affection will come and go based on our attitudes, and will not carry through the rough spots в married in the Church or outside. Her Religion is more important than you will ever be Her Religion comes first and deep down, she will come to hate you for not accepting joining her religion. We have family prayer every day and read the scriptures occasionally. Every bishop, new set of missionaries, home teacher, etc. The doctrinal and afterlife issues around a non-temple marriage are an entirely different topic, and one that I am personally much more at peace with than my questions about how one might make an interfaith marriage work in this life. Also, they are encouraged to date in groups and not pair off alone, so if your date insists on the same, then agree politely.
If your relationship is moving forward, or she suggests doing something more expensive, it is not inappropriate for her to help pay as well. I do not have a problem with nurses. We strive to improve each other. In truth if I had a chance to "do it all again" type of thing. Those will make her think. At that point, I would have gotten half of everything we own. I had tears in my eyes and goosebumps while reading it. Within a cultural group marriage is hard. Mormon women greatly value sincerity of purpose. Marriage to the right person is wonderful.
Disney gives them the fantasy where they can easily achieve a standard of perfection with low risk. And for mormons, the goal is always a temple marriage and a marriage for the eternities. And occasionally I have queried the wisdom of that choice. But I love him so much. It was more about my own spirituality and our relationship in our marriage. I would come back from one of our weekends together and they would ask how it was and I would talk about how amazing it was and what all we did.