Peter has been experiencing symptoms of depression for a long time. upon visiting his medical doctor for a check-up, peter admitted that he had been feeling depressed for more than 3 years, although he had never dealt with it. he has a variety of symptoms (his doctor counted at least five), and reports that most of the time he is barely able to function. his employer has been patient and understanding with the times when peter has been unable to work, but peter reports that he is now in serious danger of losing his job. peter is most likely to be diagnosed with disorder.