If he intimidates her, she doesn't let it show. "I know about the Deep Sickness," she replies, evenly. "And it is impressive that you are still sane, but that only means you need my help even more, to fight it. That is why I was a part of the ship's crew, to keep the crew from suffering from the Deep Sickness," she says, in a 'everyone-should-know-that' tone of voice.