Canadian pop rocker Avril Lavigne loves songwriting because it means she can slob around in her pyjamas all day - and she doesn't even need to wash. The Sk8er Boi hitmaker is holed up in a hotel composing new tracks at the moment, and loves being out of the public eye because she can relax as much as she likes. Describing her current days, Avril says, "I'm waking up and writing every single day. (Bandmate) Evan (Taubenfeld) and I wake up and we get breakfast and then we hop into the living room or family room or TV room and...