The prospect of finding a partner immediately makes him think of Koumyou Sanzo, with whom he'd had such an electrifying encounter in this very car. Sanzo, with whom he absolutely wanted to dance again, but had been studiously avoiding because of the conflicting feelings that desire dredged up in him.

So to divert his mind rapidly away from that discomfiting subject, and since it sounds like the possibility hasn't even occurred to Inigo, he says, "How are you at following?"