Derek watches him in amusement, smiling a little. Oliver looks different when he talks about Felicity. He looks softer, warmer. Happy. With a brief pang, Derek wonders if he looked like that when he spoke of Stiles.

"We're real, obviously," he says with a laugh. "I can change into a wolf, but that's very rare for my kind. I personally have perfect control on the full moon, but that doesn't go for all the werewolves in the city, and she can definitely try, but I don't foresee me sinking my fangs into you any time soon."