What do you think I was spending all that time in the library for? My health? It obviously wasn't for the sake of my complexion. I couldn't find a single hand-written thing. No scribbles in the margins, no notes, no graffiti. Nothing.

[Lydia gives him the flattest look.]

Are you really that conceited that you think of all the planets and all the solar systems and all the galaxies in the world, we are the only lifeforms to ever exist? Seriously, Dean, sometimes I want to hit you upside the head with a textbook. It's embarrassing.

The star map on that box was not from our solar system.