How the heck is Cas supposed to know that food is for him. ...okay so it's a reasonable conclusion to reach, but he's still in that semi-awkward stage of 'does he actually want me around' where he's still feeling out the edges of Dean's hospitality. It's a curiously complicated thing for someone still relatively new to humanity.

Cas pulls open the edge of the bag; the paper makes a too-loud crinkling sound in the dark. "I miss flying."