We already came up with plans in another thread but seeing the image at the end kind of makes me feel like Alastor would coach her on the "proper" use of a smile like he did Charlie:

"Just because you see a smile, don't think you know what's going on underneath! A smile is a valuable tool, my dear: It inspires your friends, keeps your enemies guessing, and ensures that, no matter what comes your way, you're the one in control!"