This in turn reinforces a poor self-concept and further aggravates the depression. If your behavior is contrary to your moral standards or your value system this can result in depression. It produces real guilt, and guilt is a component in depression. Success, achieving a high goal, gaining a valued position with the demands for higher level of performance can be threatening and lead to depression. Postpartum blues after the birth of a child may lead to depression.
Physical exhaustion can contribute to depression.
Look over the above list of causes of depression and see if you can think of anything that might be causing you to become depressed. It is often a sign that your body needs rest and refreshment after a period of strain. Obey this sign as you would a sign of pain or hunger. Don't go to bed angry with another person. Resolve your bitterness, hurts and anger on a daily basis.