Last month, a boy asked my 16-year-old daughter to his school's homecoming dance. She agreed to go, bought a new dress and made a hairdresser appointment. The boy never bought tickets to the dance. Neither did his friends. They decided that attending homecoming wouldn't be cool, and instead planned to just dress up that night, go out for dinner and then hang out with their dates at someone's house. My daughter was disappointed, as were her girlfriends. They would have loved to have been taken to the dance, to show off their dresses, to see and be seen. At 6...