"You'd rather hurt someone you care about?" he shot back, shrugging.

He and Peter were blood family now, yes, but he had a feeling there would be no love between the two of them for quite some time. There was too much between them, for them to have quick friendship, too many reasons for one to want to kill the other, even if the effect was only temporary. Too much much darkness between the two of them. Too much pain.

And if he could offer retribution to his brother, both to help him control the hunger, and to clear his own twisted conscious? So be it. Besides, he'd been looking for someone to kill him for weeks now, just to see what it felt like.