Interesting but sobering article.
They were so vulnerable and wounded, barely able to look me in the eye. They’d gone into missions directly after college, bright with hope and the thrill of obedience. With sincere love and determination, they’d adopted an unreached people group. Thousands of dollars had been sacrificed for their language study and living expenses. And here they were, three years later, looking so lost and alone, feeling all the weight of their supposed failure.
http://christianstandard.com/2013/11/coming-home-when-missionaries-come-off-the-field/