Gym can seem like a drag to many teens who'd rather be doing something else, but it's a great excuse to get up and moving in the middle of the day. Gym class is less about fierce competition and measuring everyone by the same fitness standards. Instead, it's all about developing confidence and competence in sports, and, yes, having fun. Of course, there are still locker rooms, stinky gym clothes, and other kids with their own issues to deal with...