"If-- if we must, sir," John says uncertainly. He doesn't really think it safe or right to go with a strange French doctor, but he has also never been the type not to do what he's told. And the longer he stands here, the more he must admit he does feel a bit-- odd, in a way he would be hard-pressed to actually describe.

(But unless Joly's machines can sense a lifelong sensitivity to powerful acts of magic, the feeling can surely be dismissed as merely feeling unsettled in anew place.)