"He knew how to make you immune, too," Lily says, though it's more of a question as she slides a few more marbles into the bag. It's getting heavier now, but she simply shifts it up onto her shoulder and the marbles clack against her hip. She still feels fine, though she's aware of it now, conscious of the slow, rhythmic pulse in her throat. Whatever Faye was scared of -- with good reason, Lily thinks, given how it sounds this virus worked -- she's still sure it's not happening to her.

But she can't help but make sure every few minutes.

Crouching in the sand a few feet from Faye, she collects several more marbles, then glances over at her friend. "And then?" she asks softly.