"I'm not asking you to be," Draco responded, closing his eyes and titling his head back. "Simply saying in any conversation about them, it has to be one of us. And if it's not a conversation and we opt to disguise one of us at first, it will be me. They'll attack, surely but short of a killing curse anything else should be... not permanent." He wasn't confident that this was true, but they didn't need to know that.