Russell Friedman and John W. James wrote an article called, The Myth of the Stages of Dying, Death and Grief found on the Institute of Grief Recovery website, www.grief.net, which I have paraphrased in …

 
Clinical depression is characterized by a variety of symptoms. The following list is a good summary:

 
Tiredness and loss of energy
Persistent sadness
Loss of self-confidence and self-esteem
Difficulty concentrating
Not being able to enjoy things that are usually pleasurable …