He switched on the bathroom light and saw a ghost in the mirror: an old man with pot belly and greasy grey hair, not the youth Harry thought he was. The expression on the ghost's face was one of shock.
"I'm going back to bed, this is all a nightmare."
There was a loud buzzing by his bed, a small machine was vibrating as he hid under the covers. Hours later he awoke...but the mirror still showed an old man.