...That's what I don't get about other worlds. That doesn't sound like a big deal on its own. I've been living "on my own" since I was little. [Silver, you're still little.] Traveling around on your own at a young age is totally normal.

That said, it's unheard of to live without any Pokémon. [So while it's not weird to understand that Kaori lived on her own, it's hard to understand that she lived on her own without any sort of dangerous fussy animal companion.]