There was that wince again when she snapped at him. It never seemed to matter just how often she tended to raise her voice - just because she was so hot-tempered - it always caught him off-guard, made him feel like there was something he was more than doing just wrong when she could barely keep from throwing everything at him that she had in the first place.

He didn't bother trying for a rebuttal, this time. Because he had completely missed the point, and while he was normally one of the most perceptive people in the Project, it would figure that the point his sister was trying to make would fly right over his head.

And that just made him even more ashamed than he already had been.

"I'm not sure." He paused, running a hand back through his hair in a nervous action that he could never quite help. "I think the question is .. what can I do to make this up to you?"