[You have his full attention throughout the proposition of your theory, but when you get to the last part, Slugger pointedly looks away. There is a reason for this though he isn't going to tell you. It's bad enough that Lucy already knows.

Instead, he'll focus on the Mayfield theory. While it does sound plausible, he isn't so sure.]

...I don't know. The town needs a power source to survive. Fuel. That's us.

[He recalls how earlier that day Susan had essentially placed herself and a classroom full of students in two separate locations at the same time.]

Maybe we aren't replicas, but duplicates...? It's possible to be in two places at once.

...

I think there really is a generator. Somewhere.