Originally Posted by Neapolitan

No one really knows what she is thinking of at that moment, so she really shouldn't be called an "idiot." It could be anything she feeling at the time. The only evidence it what she said that both her and her father were suppose to go to Auschwitz. But unfortunately he passed away. Maybe the visit cause her to think of her father and recall that painful time in her life. For all we know she could be thinking "I made it dad." She's looks stressed because her forehead is wrinkled from tension, what I see is a picture of mixed emotions. It could be at the time of the selfie a bittersweet moment for her to fulfill for the both of them alone what they once planned together.