Sirius shrugged. "Can't blame me for trying to take advantage of you in your weakened state can you?" He laughed. "There was a time long ago when even Sirius Black was someone who attempted to live up to expectations, of course then I met James and it was all down hill from there." Sirius was unrepentant about the person he had become, at least he'd made every decision that had lead him up to this point - and he couldn't say he would have changed much.
Sighing dramatically, and that twinged something in his back just a bit uncomfortably didn't it, Sirius shook his head. "She really should have known better - you might look like a bookworm, even do a pretty good impression of one from time to time as well, but you had a pretty large part in a great many of our best pranks."