While girls [age 9–12] appear to have much more social know-how, they are characteristically cliquey, disloyal, cruel, insecure, and a bit bitchy now. Today's best friend becomes tomorrow's discard. Parents watch in horror at what seem to be total personality changes in previously lovely, upright little girls. Sometimes girls are just as unsettled by their behavior as the disapproving elders who watch them. Sometimes they are unregenerate, relishing their freewheeling and dealing.