Have you physically seen any ghosts or spirits? I've only seen this store, this town, and the woods leading to this town. It's all been...very quiet, so far.

[Castiel notes the way Dean reacts to that question, the hitch in his breath and the way he seems to tense because of it. Which only leads to Castiel growing more curious with more questions, naturally. But he keeps his tone observational, and he doesn't press for details, much as he might want to.]

Sounds like an interesting job.