Wanda lost more than her confidence. They all lost a bit more than just what's on here. Steve lost some of the people he called family. Natasha is forced to be a government pawn again. Wanda lost her freedom, her confidence, her trust in people.
“The loneliest people are the kindest. The saddest people smile the brightest. The most damaged people are the wisest. All because they do not wish to see anyone else suffer the way they do.” So sad, but very true.