"Wait, what?" That's some sort of odd joke. Right? A metaphor about mental health? "Not literally, surely?"

"Oh." That isn't what he expected, and he has to reshuffle some things in his mind. He had assumed that Harley was the type to simply barrel right through any boundary at her leisure, but perhaps that wasn't quite the case. "No, I appreciate it, honestly. I didn't realize it was an option."