Dean loved a good mystery. Especially ones in old movies and books, though he'd never admit that to anyone, not even Bobby or Sam.

But when he started to find these little clues at hunts from somebody, that were addressed to Dean, it almost as if he had an secret admirer or an arch nemesis.

It was a thrill, so Dean came to expect the small clue or small thing that would add up to the mystery of who you are.