Well, even if she was kind of calling him out on being vague, at least he hadn't revealed too much or been caught in a lie. If he was going to wander around as an adult he really needed to come up with some sort of consistent story.

"I'm just not in any rush to be stuck doing something that I don't like," he said, which sounded pretty mature to him. Maybe he was getting the hang of being an adult. "What's astroengineering?"