01 - The Song of the Werewolf
"animals cannot make informed consent." the older man's voice calmed. "instinct drives so many of their actions. we cannot enter their world, because we see beyond what they see; we understand what they do not.
The legend of a warrior; Chapter 73 - Conquering a world in ruins
Diana continued, and killer silently accepted the truth: he hadn't planned that; he would have preferred it to happen, if it had to happen at all, with her informed consent and willingness, but his daughter's life was in danger, and in that particular case
Swiss Mix - Chapter 526-550
The difference was one of informed consent, he told himself. heidi had made the choice herself, and _wanted_ to participate in the sexual games her older siblings enjoyed.