Have you ever brought these concerns up with her? If not, you really should. No relationship can survive if there isn't absolute honesty between both parties. It's far better to have an honest and frank conversation about all of it - that you do love her, that you're concerned about how seriously she takes her religion and how that may affect your potential children, and that you've hesitated popping the question because of it - now than after you've set the wheels of marriage and/or parenthood in motion.
Honesty and conflict are hard, but not as hard as going through a divorce, especially if there are kids involved.
Honesty and conflict are hard, but not as hard as going through a divorce, especially if there are kids involved.
"I was thirsty for everything, but blood wasn't my style" - Live, "Voodoo Lady"