"Neither of us sound very convinced," he points out, though he's smiling very slightly as he says it. He wants to be sure, he wants to know, without a doubt, that it's nothing. That they're all safe. But if there's anything he's learned after living here for so long, it's that they're not safe. That this place will wait until they think they are just to pull something like this.

If it is the island at all and not just something he's hallucinating.