No religion is universally or exclusively True. Religious beliefs are accidents of birth. Propose to do that the way Christ did, with questions. Relativism is awash with inconsistency and hypocrisy. You can't be intolerant.
Intolerance is wrong.
You can't hurt others. Hurting others is wrong. Those are absolutes and they thing absolutes are wrong. It is never too late until it is too late. What we do will have lifelong implications Men, God's highest calling for you and me, which brings honor and glory to Him, is to be the kind of husband and father he has created us to be.