As a cut off angel, it's hard to blend in with the normal crowd. However, Castiel is doing quite fine, outliving everyone else as a simple cashier at the local Gas 'n Sip. Sure, he may never understand humans, but it's a privilege to watch them go about their simple lives, while never progressing in his own. He just...
They see grey. They live in a dull grey world. The only way they can see color is when they first touch their soulmate. That is, until they realize they love them of course. Destiel AU