"Well, you simply must introduce me sometime; I would love to meet them." Aziraphale was being polite and trying to tone himself down, because 'love' was a bit of an understatement. He'd witnessed a lot of things in his time, but seeing as how he was an angel and one of God's creations, when he saw that what was an idea to someone else was in fact full reality on another plane, he was well aware of how impressive and fantastic that was.

"Well, I suppose because he has to work to become a musketeer," he mused. "When the reader meets him he has to go through different types of service first. But that doesn't really stop him from spending all of his time with you three."