Прочитайте письмо подростков спортивного журнала и сказать,что его проблема.

At school l do three hours of sports a week.lve always hated sports.When l can l miss the lessons.This term lve pretended that lve hurt my leg so l dont need to do any sports at school.l even go to the doctor every week to do special exercises for my leg.The problem is that l cant pretend that lve got a problem with my leg all year.l really dont khow what to do l m in such a mess.l really feel so bad about this.What should l do?
Sam,12