She sees him smile, and grins wildly back. Finally, she's hooked onto something again, and her posture straightens - anyone looking at her can tell she's proud of herself.

"Yes, yes, this is it! This is one of the signs I should look for, right?"

She decides to ask Laura, too, partly to see if she's right and partly because she's worried that hearing the girl might have been a one-time thing.

"Er...Lady Ghost, did you do this?"

Ordinarily, she wouldn't be that polite, but this is a ghost she's dealing with. Even though she's Stiles' friend...well, ghost stories still exist for a reason.