"I mean... you seem like you know what you're doing." He jabs half-heartedly with his left hand, though not anywhere near Feuilly-- he definitely doesn't trust his coordination with his left enough for that. "I guess it must be pretty boring for you this way."

Because as bizarre as it sounds, he does believe Feuilly-- or at least, he believes that Feuilly thinks what he's saying is true, and evidently has the skills and memories to back it up.