psychologist and navy commander. the word martin keeps using is routine, routine. and i understand that coupled with sergeant bergdahl being allowed to make his own decisions, those are two of the most crucial things, why? >> well, it's very important to understand this young man under went five years of very difficult, if not harsh captivity under less than desirable circumstances, and that's not including what we don't know regarding if there was any torture, what kind of isolation and deprivation did he experience, as well as what periods of time did he fear in fact for his life. so that's a long road to come back from, and as you mentioned, the military has a lot of experience. we return 951 pows at the end of the vietnam war. the difference with him, he was isolated. he was not with a group of fellow pows and he was probably