"I feel like that's a question that could be asked about almost anything in life," Lily says with a wry grin. She's always been more inclined to just enjoy things without worrying about what someone else might think or what sort of label anyone might want to put on it.

"Delta's never asked for anything," she admits. "But I think that's because something was done to him before he arrived here and he's missing memories from a good chunk of his life. He knows things, but he has no memory of them, so it's easier. He comes into this with absolutely no expectations of what we should be doing."