Tim frowns at that reaction. Logically, it must have something to do with her reason for being there, but it'd be unprofessional of him to pry, considering the nature of the situation.

"At least you're keeping yourself busy while you're in there," he comments idly, but he'll otherwise let the conversation drop-- she doesn't seem to be in the mood to open up any further, so he's more than willing to back off and continue with his work.