[Insert joke about the what a gift it is to mankind that Sebastian's sitting there shirtless, waiting. He's already got a bandaged arm because he's really got this "take care of myself" thing nailed.
He silently and ungratefully holds out a hand to receive the kit, but tilts his head looking at Ciel.]
You were coughing earlier on the ship, too. ["I choked on some water" indeed... You okay?]