"I didn't leave until my last sodding year, so don't think I wasn't miserable too. I didn't KNOW you were. You were always around her, and seemed happy about it for all I knew. You assumed I wouldn't help you, and I assumed you didn't want help, so don't lay it all on me," Sirius answered sharply.
He scowled, shrugging. "Something like that. And now you're back why? To tell him how? Or make sure he does it? He's been back and trying to kill people for years, why NOW?"