"The only reason I'm judging you is because you lied to me about your name." She's quick to point out. "If you can lie about that, wht else are you willing to lie about?"

She does not take lying lightly, and she doesn't care what Dean says - he's not going to change her mind.

She shoots him another look and heads toward the exit. "Which of course leads me to wonder why I should trust anything you ever say to me again. Which is disconcerting if you think about. We're all stuck on this ship, possibly going to need to depend on the others around us... and you deliberately lied to me about your name."