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. HeinleinYou can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic.
Robert A. HeinleinRoman matrons used to say to their sons: 'Come back with your shield or on it.' Later on, this custom declined. So did Rome... (but not before it created an Empire that changed the world -EM).
Robert A. Heinlein