Never crowd youngsters about their private affairs - sex especially. When they are growing up, they are nerve ends all over, and resent (quite properly) any invasion of their privacy. Oh, sure, they'll make mistakes - but that's their business, not yours. (You made your own mistakes, did you not?)
Robert A. HeinleinThere were many, many times thereafter that Don regretted having enlisted - but so has every man who ever volunteered for military service.
Robert A. HeinleinGeniuses and supergeniuses always make their own rules about sex as on everything else; they do not accept the monkey customs of their lessers.
Robert A. Heinlein