Dysthymic Disorder

This short film shows the life of a man with dysthymic disorder. He seems lethargic, unhappy, and disconnected. He routinely goes through the motions of the day and is easily bullied.

He finds a picture of a girl he admires but hes only seen in passing. After a particularly rough day, he considers jumping from a building. What kind of disorder is dysthymic disorder? What characterizes this disorder? Does this video accurately show those behaviors and attitudes?