"Very funny," Derek says, rolling his eyes in fond exasperation. He waits until Bitty gets his coat on, and then he drapes his own back over Bitty's shoulders, wanting to keep him warm. "Instinct just takes over. The longer I stay in the form of a wolf, the more like a wolf I become."

He starts to lead them out of the woods, back towards the city. "I'm glad you had a good time. I really enjoyed myself."