"It's a gift. Being able to shift at will, I mean. Not many wolves in my world can achieve it." Derek swallows hard and thinks of his mother and his sister. "It means a lot to me."

He shakes off the sudden wave of emotion and looks up at Luke, eyes flickering like embers in the low light until he blinks. "Let me know when you want to run. I think it'll be good for you. For both of us, maybe."