Sometimes irritability is a problem, and you may have more difficulty controlling your temper. In the extreme, clinical depression is characterized by feelings of helplessness and hopelessness. Changes in Behavior - The changes in behavior common during depression are reflective of the negative emotions you experience. You might act more apathetic, because that's how you feel. Some people do not feel comfortable with other people, so social withdrawal is common.
Some people complain about everything, and act out their anger with temper outbursts.
Sexual desire may disappear, resulting in lack of sexual activity. In the extreme, people may neglect their personal appearance, even neglecting basic hygiene. Needless to say, someone who is this depressed does not do very much, so work productivity and household responsibilities suffer. Some people even have trouble getting out of bed. Chronic fatigue, despite spending more time sleeping, is common.