Well, there are certain situations where people don't, but trying to discern the ultimate reason why people wear clothes could just be an unanswerable question. It could be the way it is just because that's how it is. You know?

[The fact that there's only supposed to be one at any given time, and yet there are two at Luceti, doesn't phase Elizabeth in the slightest.] Well, if they're in charge of this 'bending' concept, they probably should know how it works. If I see one of them, I'll ask!