J.k. Rowling said this quote

I just wondered where you —” Ron broke off, shrugging. “Nothing. I’m going back to bed.”“Just thought you’d come nosing around, did you?” Harry shouted. He knew that Ron had no idea what he’d walked in on, knew he hadn’t done it on purpose, but he didn’t care — at this moment he hated everything about Ron, right down to the several inches of bare ankle showing beneath his pajama trousers.