Well that's ... not the answer Han was expecting. It's not just because he's so egocentric that he can't imagine himself not being the big draw on everyone's attention, it's more the fact that Han has never seen Reddington at pause before. Then, following an obviously intentional gaze, he brings up Han's wrist.

His formerly chained up wrist.

It makes him have to wonder if Red's is bound in some way as well. It hadn't even occurred to him that the Concierge of Crime might be stuck under somebodies thumb at the moment.

"The wrist?" Han says, picking it up so he can regard it thoughtfully. "I suppose I should have paid more attention to the chain. They have a way of weighing a person down and limiting your ability move."