"Hardly an expert," he says, toying idly with the mask around his neck. "Ask the wanker on the tablet if you have questions. He thinks he knows everything."

If he took off his sunglasses and put on the mask, what would happen? What would he see? Part of him thinks it's worth the risk to find out. But, then again, something really weird could happen, and he's not sure he wants this girl to deal with that. He thought she was a bit odd, almost frightening at first, but her questions make him think she's harmless, maybe even a bit stupid. She'd probably only get frightened.