She'd also been filling them in on human nature, as she'd promised. She'd initially been tempted to only mention the positive things about humanity, but instantly realized that she couldn't live with herself if she refused to give the Princesses a complete picture of human nature. And, though it made her cringe inside to say it, the truth was that humans were occasionally violent, and on a large scale. Various groups of humans hated other groups enough that they would go through years of effort just to eliminate the other group, and often times these grudges lasted centuries. 