There is possibility it's not depression (at least not in scientific understanding of term), but some different kind of animal, like Generalized Anxiety Disorde

There is possibility it's not depression (at least not in scientific understanding of term), but some different kind of animal, like Generalized Anxiety Disorder (http://en.wikipedia.org/wiki/Generalized_anxiety_disorder http://en.wikipedia.org/wiki/Generalized_anxiety_disorder ).