Both Bruce and Charles sit in surprise for a moment, then both shift to very different expressions. Bruce looks worried, ready to go after Mohinder, while Charles looks more thoughtful than anything else. "Let him be for now, Doctor Banner. We will finish the exercise another time."

"...if you say so," Bruce murmurs, looking in the direction Mohinder went. He leaves with a very uneasy feeling, not even bothering to go back to work until he's thought it through.