Her brows furrow at the nickname, because in this context, it's hardly a compliment (and nobody would ever compliment her with a nickname like that!). "You haven't even been here a month-" or so she presumes, anyway- "and you're already paranoid? That sure bodes well." Don't mind the sarcasm in that last bit before she continues, "Unless they can cross dimensions, they're not following you here unless the captain brings them."