He's... disjointed, put mildly, and it means his temper (already sharp with just the wrong pressure) is a little more likely to go off. He has better control of it than he used to, at least.

"I don't know what I think it is. I know what it's not." Which is still a step in the right direction. One bite of a particularly massive elephant. Ugh. But he turns her words over, considering them piece by piece. "I've never heard of ghostly presences with that sort of influence on their surroundings." The more immediate experience he has was a wraith, granted, but...

His weight sways, shifts, and John lets his head drop thoughtfully.

"Unless..."