Lovegrove and Louise Bedwell step in. Earlier this year, the 17-year-old schoolfriends produced Teenagers Explained: A Manual for Parents by Teenagers, a book that was designed to help befuddled adults unpick the peculiar tapestry that is adolescence. f Because, as Lovegrove points out, "there are things we talk about that adults just don't understand". "Things have changed a lot," Lovegrove adds. "Sometimes I say, 'I'm not skinny enough' and my mum will say 'Don't be stupid', and she just doesn't seem to get the pressures we're under." In order to help adults re-enter the teenage psyche, Lovegrove and Bedwell contacted a selection of young people across the country. While the answers were all different, there were common threads -- "For example, everyone said they hated being patronised". Among the most annoying parental expressions, they have identified the following repeat offenders: "In my day exams were harder", "It's not the end of the world", and that old favourite, "As long as you're living under my roof...". "We're still worrying about bullying, about people thinking that we're weird or different, and about not fitting in," Lovegrove adds. But according to f 15-year-old Wilson, who attends a girls' state school in north London, the stakes are now higher: "On my first day at secondary school a helicopter landed in our playground because a sixth former had pushed one of the teachers out of a window. There are three cat-fights in the playground every day. Boys are all muscle, but girls fight with words