I had the pleasure of reading one essay in this collection: "Bent, Shattered, and Mended: Wounded Minds in the Hunger Games" by Blythe Woolston, and I'd like to read more because this essay was quite illuminating.
Ms. Woolston educates about the psychological diagnosis of Post Traumatic Stress Disorder, and demonstrates how the characters in the Hunger Games trilogy exhibit symptoms of the disorder. Suddenly [b:Mockingjay|7260188|Mockingjay (The Hunger Games, #3)|Suzanne Collins|http://d.gr-assets.com/books/1358275419s/7260188.jpg|8812783] makes so much more sense to me. Katniss sleepwalks through the story, numb and fatigued, because she's suffering from PTSD. There's no way to have a "happy ending" after the trauma she and other tributes endured.