Margaery pouts but it's a temporary thing. She's clearly been spoiled in terms of reactions back home, too.

"Alright, maybe I was bending the truth. But I ask because I'm also trying to find new pastimes to partake in, once I've gotten a bit more settled with training and learning. There's nothing quite like starting over in a new world to realize that all of your current favorite hobbies are for the richer classes." And if she's bitter about the loss of her status, no sign of it is present in her voice.