I would wait, like until you get engaged. They probably knew there was something "funny" about you since you were little and have been praying for you to marry a man.

Taking responsibility as an adult means you dont have to get your family's approval for your private life. It would be nice if they were liberals, but you say theyre not. So, you have your opinion on this issue, and they have theirs.

So far, they seem to be keeping quiet about their opinion. Dont poke the bear!