The unexpected kiss renders Arthur stupid happy for a moment, though that's immediately ruined by the conversation turning back to Crichton's ass again oh my god just throw him to the Bahanimal and end his suffering.

Flatly: "Good god, somebody please lead the way."

And Ari comes in clutch and does just that. If she doesn't reach for him, then he will for her; it's not his favourite mode of travel, but it's quieter and faster than messing about with his cane or with spoken instructions.