Well, for starters we can see if there are any spirits around. Or any signs of spiritual intrusion. It'll be like looking for Shadows.

[She gives him an annoyed look all the same, clearly not in the mood for his selective memory.]

And what about in Futaba's Palace? Or Kaneshiro's tank. Or even, you know...

[The thing they fought at the end? Just before coming here. She knows it's a sore point for both of them, but she's bluntly not letting him off the hook for more stupid statements.]