"Agh!" He jumped out of his skin when AJ appeared seemingly out of nowhere. "Oh, oh! Sorry. I was just...you know me when I am working on something." He glanced down at the parchment he had been scribbling thoughts on and wasn't surprised to find ink smudged across the bottom. Oh, well. Most of it was still legible. He was going to start using Muggle pencils, he really was. "Um, I mean...hi. That sounds brilliant."