Seriously, a match made in heaven. Ahaha, I legit cracked up when I saw that gif.
[Ciel tilts his face away from Sebastian's hand (but by that point, Sebastian has already withdrawn it), mildly annoyed that he even had to check on the cut. He's fine. He's survived worse without complaint.]
Alterations? Now? [At first, he's sincerely worried that Sebastian will whip out a sewing kit from one of his magic satchels mysterious hiding places within his suit and proceed to construct a brand new outfit right then and there, but then logic asserts itself and yes, of course. The dress is most likely a hindrance. It would make sense to remove that disadvantage. It's not like Ciel ever cared about his womanly modesty.]