[Eh, the world would not be a worse place if Sebastian accidentally impaled himself. Rather the opposite. But thank you, Ciel, that's considerate of you, not that Sebastian seems to take much notice of where the glass goes. He blinks a few times, as if the question actually takes time to process, and eventually concludes:]
...Yes. [Sure he understands. Stay in bed, don't do anything. However... Sebastian frowns. Apparently he missed the part about only using his energy on getting better, because it definitely seems to take him some effort to get to this:]
But-- you will need to eat. [How, if Sebastian isn't preparing it?]