He held the pose as carefully as he could, keeping the muscle of his arm tensed just enough to add a hint of added definition. It wasn't enough to get tired immediately too, so that he could maintain it for a rather long period of time. He kept what seemed a slightly distant look in his facial features, fitting what she had requested.
"The lighting," he said between her scribbles. "It is acceptable, but low for sketching. I apologize for the lack."