"I don't know," Matt admits. "They are all pretty stubborn."

Despite himself, his voice is tinged with affection. He shakes his head.

"The only thing that's really come up when I've talked to them, though it's come up a lot, is that they don't want to believe their worlds are gone. They just can't let go of the possibility. And they want things to go back to the way they were, which ..."

A slight shrug.

"I don't know. Maybe it'd be normal if I wanted that too."