Her trusting smile lanced his soul.  He wanted to go back to his barren room and lie down on the narrow bed and listen to himself breathe and think of nothing.  Instead, his penance was worse, and he looked across the room at Harry Potter, hero and all-around beloved figure.   He had his wand in his hand, pointed right at Draco, and by the grim set of his mouth, he assumed the worst.  "I'm just sitting here," Draco said.  "Could you put that thing down?"