Help! Caught my son having sex with neighborhood boy?

He is old enough to make his own decisions on who he has sex with. What you need to talk to him about is the acceptance that he is gay and the importance of having safe sex. Be it gay or not that he needs to use protection and pick his partners wisely. Also express the rules of having sex in your house. It's disrespectful to have sex in your parents house, doesn't matter if your gay or not.