"Oh yes, that would be wonderful." Aziraphale agreed when Nyx suggested that perhaps a better person to ask these questions might just be his friend. Aziraphale always wanted to know more so the chance to have some of these questions answered was something he would be only too happy to find. "If she find that agreeable I would be all too happy to meet her."
There was so much about their worlds that was different, Aziraphale hadn't quite considered it before now. Some part of him still operating under the idea that things were here as they had always been, the location might be different but the mechanics the same - but he was starting to understand that might not be the case at all. It was something that deserved a little thought, as well as a conversation with Crowley at some point. To get his thoughts on the matter as well.
"Indeed we do," Crowley might just protest the idea of being called a princess but Aziraphale thought he understood the young man's meaning. He certainly needed Crowley, existence would simply not be worth the energy necessary to keep it going without him. So yes, he understood completely.
As for anything he might be in search of, well - "If you happen to find any prophecies in your travels I would very much like to hear them." He decided, it was perhaps not the sort of thing one simply came across easily, but if he did. "See that you do," He added with one final warning, "There is no need to go on in pain, I hope I've managed to convince you of that much."