"Grace is what makes an angel an angel. It's the light and starstuff that our Father made us from."

So there's your first lesson in angel biology, Iman: girls might be sugar and spice and everything nice, but angels are light and starstuff and horrific mind-melting brown note-iness. Clearly God works in mysterious ways.

"I suppose you could think of it as an angel soul, but that would be an inaccurate analogy."