The sudden noise of the chair startled Draco severely, having been used to a deep quiet in the study, unless he and Potter had immediately needed each other for anything.<br/>It made Draco look up at Potter, who looked frazzled and irate, yet without any clear source as to the cause of his sudden irritation. It struck Draco with a fear that he had done something to cause that level of irritation in Potter, even if he had been working in the same way for several hours and had done nothing to change his pattern whatsoever.<br/>Silence settled over the study once more when Potter left the room, parchment and quill in hand as he did, which caused the anxiety to stay with Draco. He managed to continue with his work, though he was less focused than he had been before Potter had stormed out and it frustrated him to no end.