Good to see that I'm not alone. That response made her very happy. If your date has been an active member of the Church who is following these moral guidelines, then she will not be willing to involve herself in a sexual relationship with you.
The important part of finding a partner to marry does not, in my opinion, revolve around whether or not you are of the same religion. I've been searching around for advice, and this blog page is probably the most informative on the topic of dating a doctor as I've been able to find anywhere.