[ Admittedly he wasn't thinking of a reference, so he gives a little sheepish laugh. ]

Nothing, actually. It was just the first thing to come to mind. [ And then his expression shifts to one of concern. Shiro himself hasn't experienced any sort of change yet and he kind of feels bad that he gets to stay the same while his friends are being jerked around from change to change. ] Are you okay, though? Going from one abrupt, extreme change to another has got to be disorienting.