Age of the Earth
Actually, Mormon families tje shrinking, just like those outside the Church, but they will always be larger than families outside Mormondom. Again, though the evolving times may have brought about a relaxation in this rule, it is still followed by many youngsters.
After a lot of thought during that relationship with a non-Mormon, I laid out exactly what struggles I was probably going to face: I was worried about my own faith.
I think a lot of people just yell run whenever this topic comes up and like you I think that's unfair.
All this said, God is love and fully understands and appreciates your problem.