Sirius was dumbstruck for a moment before he just laughed. "Running away? Are you really going to compare the hateful, bigoted, damn near abusive situation with Mummy and Daddy with running off to get myself killed? I've never run away from anything in my life, Regulus, except for them and it was the best fucking thing I ever did." He closed the distance between the two of them and jabbed his finger at Regulus's chest. "You had your chance. Don't blame me because you didn't take it."