Nathan couldn't breath as Peter talked. While it doesn't surprise him that their mother took that step it still tears at his heart. Sylar had lived his life, talked to his family and worn his face. His murderer had taken what wasn't his to take. It didn't matter he hadn't had a say in the matter, it still had been Nathan's life, not Sylar's to live. It takes him a long moment to ask the question foremost on his mind right now. "After you found out," he says his voice so low he isn't sure Peter can hear it, "what happened then?"