Cas is always so damn quiet when it comes to moving about that Jo usually finds herself startled when he approaches, and now is no exception. His voice comes from somewhere behind her, and she'd been so absorbed in her task that she gives a little bit of a jolt when he says her name, before looking over her shoulder and forcing a tired smile. Her eyes are still red, but aside from that there's little evidence of how difficult her day has been aside from slumped shoulders. She's had time to pull herself together.

Of all the people that could run across her right about now, Cas is one of those she'd most like to see. She's not sure she would call them close, but they've certainly been developing a better understanding of each other as time goes on. They care about the same people and the same causes. More than enough to strengthen a bond that had once been tenuous.

"Hey. Thought it should be done. I know everything got counted back in June, but it's been awhile. Figured it'd be a good idea to take stock." And it was something to do. Something that make her feel useful, productive. She needed that more than anything right now. "What brings you down here?"