"Just means you'll get old quicker, bro. Boring and grey-haired and wrinkly - I think I'll pass."

It didn't apply to them, of course. Angels didn't age the way mortals did: by most standards they were already both unbelievably old, even if they didn't always act or even feel it.

"Besides, being younger just means I'm a newer model. Version 2.0, y'know? With a whole range of improvements on the prototypes - better hair, better sense of humour, that sort of thing."