"You're not mine. And I'm not yours. And I can't ever be." Peter pulled away and groped for a wand that wasn't there. He thought about just throwing him in the fireplace and sending him home, but Peter remembered that he had no Floo Powder, nor a connection to the Network, nor a fireplace. And come to think of it, he wasn't sure there even was a Floo Network here.
"You're not going to convince me that this is a good idea, Sirius," Peter insisted, despite his body's claim that the opposite was true. The wanting tone in his voice could be safely disregarded. "I can't."