"Damn it, Pete! Fuck ideas and rules and shite. It's just you and me right now. I want you. I love you, damn it, and I want you. And it does matter what we want, Pete. It does. Because we're fucking human beings, and if we keep all of this inside we obsess over it and go crazy." Sirius wasn't exactly someone you wanted to take mental health advice from.
Interestingly enough, Sirius had stopped groping Peter for more than two seconds. "Doesn't have to be a good idea, Wormtail." How many stupid schemes had Padfoot thought up over the years? "You just have to say yes."