Aziraphale hesitates, looking back down at him. He has met some very powerful entities now, and if the Rift is capable of changing people, then Zephyr might be as well. Now, instead of his almost definitely paternal protectiveness, he feels a pang of guilt and regret, that Melanie can't go with this kind man, perhaps to wish herself better.

"I see," he murmurs. In response to Wooster's suggestion of searching he nods and replies, "Yes, all right." After another moment he offers a gentler, "Thank you for trying to help her, Mr. Wooster."