No one really knows. But it doesn't seem to cause any inconvenience. We forget all about Johto once we get home. According to some of the people here, this is my third time being Johto. I was sent home twice, they told me. And you too. You were here before. But you left, and now you're here again. And you can't remember the last time you were here.

[... man, her job really IS Ms. Exposition.]