Crowley coiled as close as he could, enjoying the ambrosia which had surprisingly graced his lips and sending a flicker of tongue chasing after the sensation once it had gone as if in human form he could still taste the air. As it turned out it the action still worked surprisingly well to judge distance. Since there was barely any space left between himself and Aziraphale he ended up discovering those lips again, first with that searching lick, and then again when he moved back in for another taste of that wonderful food of the Gods.