Book excerpt: In his debut memoir, author, Veteran, and Health and Fitness Coach, David Mathas takes vulnerability to a whole new level. Breaking through personal and professional barriers, he opens up about his struggles with mental health and a severe eating disorder, both of which began while he was enlisted in the United States Army.A Shell of Myself is a gut wrenching, soul searching, and inspiring story that anyone who is facing struggles or challenges in life should read. You will follow along with David's transformation from a healthy and happy young Soldier into a 94 lb shell of himself on the verge of death, and finally his emergence into a renewed sense of hope and a new definition of health. You'll learn how he took the most painful and challenging moments of his life and turned them into a way to not only save himself, but also to educate and help others in their health and fitness goals.Today, David is a successful Health and Fitness Coach who is eternally grateful for an opportunity to use the darkest moments in his life to help others.