Psychiatry rides madly in all direction - Roy R. Grinker, Sr.

Although depression as an affect is found in several of the borderline categories, it does not correspond with that seen in the depressive syndrome. The borderline depression is a feeling of loneliness and isolation.

The formation of such feelings of obligation and loyalty to any group with which one is identified is of the highest significance to good morale. It is the essence of the powerful patriotic feelings which are stimulated in times of war, but which have their origins in earliest childhood. …Not all Americans have been able to develop a range of identification large enough to include the nation and thus to develop strong feelings of loyalty and obligation. To some extent this ability seems to be a measure of social maturity.

The emotional stress is a complex network of unusual strains inherent in the combat situation. The stress is derived from different sources, which again mutually reinforce each other.