"Are you?" Sirius demanded. "Or are you taking advantage of the fact that Remus will always be there to rescue you? He’ll never say no to you when it comes to Teddy, and you know it. You want to talk about stumbling into someone’s bed? Do you know how lucky you are? Do you realize that you won the fucking lottery with him? You couldn’t have dreamed of a better father for Teddy. Meanwhile, you’ve got one foot in and one foot out, keeping poor Remus dangling by a thread. You don’t actually want him, but you sure as hell don’t want anyone else to have him."