This is a very successful line of argumentation I would encourage you to go down on with Default Leftists who have kids. It's worked when I've brought it up. First, note that the behaviors they are assuming are indicative of homosexuality are normally just normal masculine or feminine expressions from a young female or male and doesn't denote anything; Second, to emphasize not pushing those ideas as a self-fulfilling prophecy; third, reminding them that if it's true, that kid won't have grand-kids.
"Don't you want a grandkid"
This is a very successful line of argumentation I would encourage you to go down on with Default Leftists who have kids. It's worked when I've brought it up. First, note that the behaviors they are assuming are indicative of homosexuality are normally just normal masculine or feminine expressions from a young female or male and doesn't denote anything; Second, to emphasize not pushing those ideas as a self-fulfilling prophecy; third, reminding them that if it's true, that kid won't have grand-kids.