Well that was perhaps somewhat harsh, and he's actually comically chagrined by her response. It's unusual for someone to be so positively invested in his presence; the lack of an existing protocol for such a happenstance is almost enough to make him go along with it out of sheer bemusement. But the dreaming and her word-being nature are too unpredictable to be mixed, in his semi-expert opinion. "I'm most certainly not lying. I am asleep, and so are you. Or...whatever is your equivalent. You're dreaming, whatever that means to you. Did you think I got on a boat deliberately?"