I allow my daughter to have s** but only at home, with her bedroom door open. I watch and supervise. If her boyfriend doesn’t like that then she has to find a different boyfriend. I check her randomly and frequently to make sure she isn’t having s** outside of home. She has managed to find a boyfriend who obeys the rules. In fact she has two boyfriends and I think that is enough. We’ll see if either of them make a suitable mate for her. As her father I know what is best for her.