Sounds like classic "flirt to convert. Mine was in California, back in the 70s. It's like a catch or something. I'll paste a URL with links to all of them at the end of this message. That being sais, just be honest. There are two ways to go about this. Despite having three children around, it gets super lonely.
As for deciding to marry someone who is not mormon, here is how I made the decision. It is hard work. But is it the path that will make you the happiest. She probably has not studied the real truths behind Mormonism and thinks her beliefs are the only way to become a God while living eternally with family in the life hereafter.
I maintain my own life and embrace my SO with open arms when I do see him, which comes to about once a week usually dinner after 8: I get up with him at 4 A. And you are right about people telling you that you are lucky that you married a doctor and should not complain. And also I thought it was weird she wore some kind of pants that come to her knees under her other pants, but I never asked about that. It is positively shocking. He will not be permitted to bless the child in front of the ward, for instance, so you will have to choose to forego that ritual or find someone else to stand in for the father, which he may not be comfortable with. That said, there are also a lot of pricks inside the church, who fully deserve membership. Maybe things would be have different if I had been older or if I had not been so fragile. She has encouraged me to read LDS.
Now we go out to eat or to watch a play or do something together about once every week or two, which is a nice change compared to once a year. I'd like to reiterate, though, that sheer physical exhaustion isn't as much of a problem for me as it might be for a med student or a doctor, so he might be deserving of the benefit of doubt if he doesn't keep in touch regularly. My religious faith saved my sanity but I still worry. I would need to ask my husband again. They have heavy-handed laws, free handouts, unfair advantages for getting jobsвa loud feminist illusion spoon fed to them.