The color visibly drained from Regulus' face. The thought of involving his family, especially Sirius, in what he had done had only briefly occurred to him at the time it had happened, and he had known then that it was foolish. He turned wide eyes back to his brother, the terror of the moment he had decided to turn on the Dark Lord instantly renewed in his mind. His blood suddenly felt like ice.
"Are you daft?! If I had said two words to you, you would have wound up just as dead as I am. Was." He wasn't sure sometimes if he was actually alive again or not. He shook his head, his brow furrowing. "I wouldn't do that. Not to you," he mumbled, barely audibly.