My fifteen-year-old daughter had some friends over not too long ago, one of whom she'd known since Kindergarten. They, and we, were sitting in our living room, talking. The long-time friend of my daughter interrupted the chat suddenly, squealing, "Ooooo, I forgot to show you my belly-button pierce!" She proceeded to lift her shirt, and sure enough, a small turtle dangled over her navel. The other girls oohed and aahed: "Wow, how cool." "Awesome." Then wistful sighs all around, and in unison: "I want a belly button pierce." My daughter turned to me, "Isn't it cool...