"What if I want to eat six of them as well?" Luke asks in return with a grin, though he hadn't planned on it. He can still pack away more food than the average man his size and he needs more protein than a human does, but he doesn't need six sandwiches at the moment. Giving Derek a hard time, though, proves to be a little more fun now than he's only sixteen.

"And you can ask any questions you like," he says, his voice growing a little more serious. "Things are generally the same for us, as far as I can remember, but there are also some interesting differences." And if Derek wants to learn them again, he's more than happy to teach him.