GLaDOS reared back a little, watching Azula struggle like she'd observe a chemical reaction. She'd seen ranting and raving. This was not precisely new, but it made things interesting.

GLaDOS had never sought to please anyone but herself. The concept wasn't entirely foreign, to have the approval of somebody else, but it wasn't something she could understand from experience. It was just a weird thing that humans seemed to do.

"Well, you don't seem to have needed this person," she noted dryly. "Any fool that believes true perfection is attainable has no idea how the world works. I was in the same facility my entire life and I knew that."