Have you not seen the rest of Rapture? Towels and robes are a foreign language to this place.

"You're really lucky," is the closest he comes to an explanation of his thoughts. It doesn't sound like a judgement or anything, it's just... sort of a statement, pleased if anything.

...He pulls at his sweater uncertainly.

"It's... you don't have to?"

This thing's been with him through hell and back, man. And it's cable knit.