"I highly doubt that..." Dimitri can't see how he isn't worldly. He's experienced a lot, from all walks of life now, hasn't he? The idea preoccupies him for a good bit, accepting Claude's cloak without thinking twice about it. But he just can't quite understand -

Wait what's happening

"What are you doing?" Dimtiri asks, a little dumbly, as Claude pulls the sash from his waist.