If you were the one who did the asking, it is simply chivalrous and gentlemanly for you to pay for dinner, the movie, or whatever else you do. Take your date to a club with loud music and an open bar, or an R-rated or violent movie, and the prospects of it going well are daunting. Helpful way to learn the facts in a fast and funny format.
Her experience may or may not be typical, but it is something to consider. If you do believe it fully, are you not really going to want him to make the conversion ultimately. Be gentle with them and yourself. Really, I'm interested in this too. You are a good person and she can see that. It's easy to be blind to deal-breaking faults when you are young and in love. But when my oldest daughter hit 12, the lessons started to have one major theme: This is what girls are told should be their primary goal. She's a wonderful person and I think we could work, so yes.
My spouse and I are best friends first and I think that's what really makes it work. Mormonism is fundamental to my religious beliefs and my personal sense of identity, and it is the community that I identify with most strongly. They will serve as a constant reminder to her that she needs to conform- and you won't be wearing any. MinsPackage speaks the truth. And I never found that "good Mormon girl".
If I were you, I would just nope out of it and move on. I don't think we could have a real conversation about those points either. I remember attending numerous priesthood meetings by myself and wishing dad were next to me. We planned the funeral around his work and call schedule. When we were dating he made it very clear to me that he had no desire to come back to church. My family supported me in this. But remember that it is also your wife's choice to obey or disobey, and that you have no authority over her as a person, either. Is he aware that if your children are faithful members of the church they might end of marrying in the temple and he would not be allowed to attend the ceremony. When my nephews started looking at porn on computers everybody blamed me when it wasn't me.