Scars can come in handy. I have one myself above my left knee that is a perfect map of the London Underground
Wandering around at midnight, Ickle Firsties? Tut, tut, tut. Naughty, naughty, you'll get caughty.
Shooting stars all over Britain? Owls flying by daylight? Mysterious people in cloaks all over the place? And a whisper, a whisper about the Potters...