The following self-test can help you determine if you have depression: DD feel sad or depressed most of the time; DD lose interest in most activities or sex; DD have changes in weight or appetite; DD have poor sleep; DD are restless, impatient or prone to temper; DD feel fatigue; DD feel guilty, worthless or helpless; DD have difficulty concentrating, memory difficulties or indecision ;DD recurrent thoughts of death or suicide, feeling that you are better off dead. If you have several of these symptoms at the same time, it is best to see a psychiatrist immediately to save yourself from further suffering.