After pouring hot sauce into his eyes to keep himself awake no longer worked, Army Pfc. Alex Blum began snorting chewing tobacco. When that failed, he cut his earlobe with a knife. Still, after being pushed to strenuous physical activity for over 30 hours, he could barely keep his eyes open. The months he spent training to be an Army Ranger tormented him physically and psychologically, and left him changed as a person. They may even have turned him into a bank robber.