"Well, you don't have to kill for it. The jewelry store sells Pokeballs," kind of? It sells jewels that can be turned in for random Pokeballs, "and the creatures here are close enough to Pokemon to use them. Do you know how to use one?" He's seen him throw one, of course, but there's a bit more to using a Pokeball than that. And speaking of things not being as simple as they seem....

"There's more to being a trainer than battling, you know. You have to take care of your Pokemon too; feed them, groom them, take them for check-ups, make sure they're healthy and happy." Not that he doubts the boy would do all of that, nor is he trying to discourage him -- just reminding him that there's a lot of responsibility involved in being a trainer, too.