The Doctor smiled a bit at her observational skills. She was impressive. She had a keen attention to detail that he quite liked. He always had a fondness for bright and unexpectedly brilliant humans.
Then she said something he hadn't considered. Downtime? The Doctor? No! He was going to fix the TARDIS and he was going to find a way back to his own universe, where he belonged. But what if he truly was stuck? The Doctor was not one to give up so easily. He did not like the idea of surrendering and taking up some boring old human job.
"Teaching?" he asked, looking at her. "Or an instrument..." he added a bit more thoughtfully. A hobby couldn't do any harm, could it? But what instrument would he want to learn to play? Or could he teach? Or maybe there was something else he could do?
"I could be a consultant of sorts? I could do that. Consulting..." he twitched his mouth to and fro thoughtfully. "Scrap that, maybe something else. What would I teach anyway? What instrument would I play?" he asked, clearly trying not to vocalise that all he wanted to do was find a way out of Preya and maybe find a way to free everyone else too. Allow people to come and go as they please providing it wouldn't have any negative impact on the rest of the multiverse...