Jo nods. It makes sense, especially since she's unsure how it works with her domain and Dean's. The actual arithmetic and rules. If it's half and half, or some full-on filtered mix of the two, and what does, how does that relate back to it being their thoughts, subconscious, etc., in the real world. The way it's gotten even bigger since Dean gave her this room. Attached this place.

He didn't seem to have even given a thought to doing anything else.

"Do you think you could—" Jo is searching for a word. No. Jo knows the words. It's just easier to use about bleeding bodies and burning houses, and yeah, she gets precisely how fucked it is that she'd rather be asking for help with that than something as stupid as a party costume. "-uh, help, then?"

There's a gesture absent toward her chest and her torso, but she means the costume.
As four or five in her parent's closet, she'd never played dress up since,
and this felt like a bonkers new version. But she's asking.