One red flag I have for Mormon girls is if they drink coffee. That and this recent article https: They are trying to explain how it's ok that the founder used a magic rock to hunt for buried treasure to earn money, and then used that same "seer stone" to translate the Book of Mormon. Now I look at his job and his schedule and his tiredness as a part of both of our lives, rather than something that is just his life that I have to deal with. See to it that she is aware of your plan, so you both can properly dress.
While I do get to accompany him to various dinners and parties, we hardly ever have time together just us, and when we do, he just wants to relax over dinner and decompress. We feel good about our choices, but know it might not be the right path for everyone. I am a something male. I am thinking about him pretty much all the time.
I must admit that this life comes with a lot of surprises. I'd at least insist that at 12 the kids can choose to disaffiliate. At the beginning of the relationship, which is not long ago, he use to carry out conversations, even while working. It's gonna hurt, and it's gonna break her heart, but much less so than waiting until you've both committed to each other and start discussing your future together. All that being said, no one can tell you what is right for you except Heavenly Father. Play with fire if you don't fear getting burned.
All these are reasons to have some serious discussions. Let her go right now then. Unfortunately I've been sort of seeing a girl who is basically a real deal Mormon.