Herbert frowns, as he thinks about this. He's private, yes, but he hasn't noticed anything that would imply this before, which means she's not broadcasting it. Probably.

"'Feeling'? Not, 'thinking'?" He has secrets, but they aren't generally his emotions in relation to things. He feels like outside of making attempts at professional politeness, he's generally fairly direct about those, unlike some. "How...specific is it?"