That’s pretty cute!
He’d be pretty interested in the songs you sing him, and would be very fascinated with what you call “music genres”. Not only that, he’d be delighted with the fact that Earth isn’t nearly as violent as Alternia, and would ask you many times about lusii there. But what would get him extremely happy would be learning that he won’t be deported to space since he’s an adult.
After that conversation he will be more than eager to try to go to your home planet.