Costigan shook his head, smile fading. "It's not about the space. I always want space, you know that. I meant what I said. I'll have your back and I'll be there for you, but I'm not going to- to take care of you. You don't need that."

He shifted uncomfortably, not great with all this talk of feelings, sliding a smoke from his pocket and placing it between his lips. The lighter followed a moment later. "You're right, what you said about not being a kid, and I shouldn't have treated you like one."