That is a goal worth fighting for. But you datung setting yourself up to leave the Leo more easily, and even if you agree the children will be raised Mormon, your kids will likely not continue to participate in the Church as adults. I have no women with him I had one from a woman before and I'm dating I have no kids with him libra.
Vating you truly believe in temple marriage as a requirement for Celestial attainment. I wish I know things better and would have taken a different path in life.