That's just because Tristran's a sore loser.

"Of course, Prince Charming," she drawls sarcastically, rolling her eyes.

"You know, that would have been the first question out of my mouth when I was younger, 'Are you a Prince?'" a quiet snort. "Well, perhaps after inquiring as to whether or not you were a boy - but that, at least, has become self evident."

She would like to believe that that is some sort of indication of self-growth. Or of ability to pay attention for more than five minutes. Either one.