[No, no, it kind of is: dropping one's master's clothes on the floor is a terrible faux pas and Sebastian should be disgusted by himself. Judging by the somewhat pained look he sends the clothes, he is. What kind of Phantomhive butler drops his master's clothes on the floor just because he suddenly can't stand, honestly.]
...Yes. I'm very sorry; I will bring out new ones for you. [Soon. Probably.]