[ So polite! Hey, she's a former teacher, she really doesn't mind at all. In fact she'd encourage the curiosity, if anything. ]

I hope you won't be too disappointed when I tell you there wasn't much, if any science involved. I'm sure that my friend, Hope, could probably have figured out a scientific explanation given enough time, but really the only way that it was possible for my friend and I was through the will of a goddess.

[ Which she suspects isn't going to be the answer that he wants to hear. ]