[Nope, no, so much ridiculous heck no's because why on Earth would Sebastian ever think that Ciel would allow him to do anything in peace? That's antithesis to his whole existence.
It's obvious to Ciel now that something's wrong, something strong enough to affect Sebastian (and isn't that a wake-up call, having so many things here able to affect the demon when nothing did back home). He takes a step back, studying Sebastian from bowed head to miserable shoes and does a few quick calculations in his head regarding mass and velocity to reach the conclusion of improbable.]
All right. [And promptly walks out of the room, after he dons the clean, rumpled shirt.]