How are you sure they've always lived here, though...? Have you asked?

No, no, you completely misunderstood! [Oh god, he sounds so flustered, as if he's walked into the girl's bathroom by accident.] I mean kind of like the International Space Station! Once one group of people has done their job, they're sent home and another group comes and takes their place! T-that's what I mean!

[A long sigh.]

Our souls?! [A scoff.] You're not kidding me, are you...