"If she wasn't neutral, she could make one side seem more reasonable than the other," Su Yao said hesitantly, continuing her thought only when she saw Wu Ling nod his head. "She could go further though. If she can use tea to calm, she could use it to agitate too, couldn't she?" So Yao said, her eyes going wide. "If she helped one person stay calm while the other became irritable or overcome by an emotion like remorse," she said, her voice growing quieter as she spoke.
"Your Aunt could pivot an entire negotiation," Su Yao realized. "And the people she's doing it to probably wouldn't even notice. They'd think they were just drinking tea."
"There's a problem with this kind of thing though," Wu Ling said before she could get to carried away with his aunt's fearsome powers. She was incredibly capable to be sure, but it wasn't quite as exaggerated as Su Yao thought. "Do you know what the problem is?"