[Cater has a new personality for every situation--but if he's around him long enough, Izuku's likely to be able to identify the real person beneath them. Each one does have its own relevant piece of the real Cater, after all.]

Are you sure?

[He looks at him with a bit of surprise as Izuku holds him back.]

It could really be anything--you don't have to make a decision like that before finding out what it is.