[ That look is really different from the ones he usually gets, and affected by chemicals as he is, it's enough to make a blush creep across his face and make his heart flutter a little. Keeping his touches gentle, one of his hands is going to have to move away from his lower back and make it's way to the front of his pants to undo the buttons and zipper there.
His fingers are working on it when he notices the half arousal. Perhaps he should help it a little; as he deals with what is left of the buttons, Wolfram intentionally presses with the tips of his fingers rubbing through thin fabric and some moments later using the palm of his hand to cup the front of his pants. ]