[Roxas blinks in surprise, but a small smile forms on his face, and he nods.]

It's okay. I know what that's like.

[Those early days, when he had to be told what everything was...]

Well, ice cream's a sort of cold food you can eat. I don't know how exactly it's made, but it's got frozen milk and stuff in it. It comes in all sorts of flavours, but my favourite is sea salt.