Depression is serious problem for your health. Depression is a so-called negative stress in the presence and the intervention of a specialist. Of course as told colleagues in other posts you can relax and believe in goodness. Fighting against depression and harmful stress can last long time if you don't pay attention to the problem. Depressive states are different and according to reason that causes negative emotions in you, you can find countermeasures.
Example 1 : if you have sexual problems refer to a sexologist or read articles on how to deal with them ..
Example 2 : if you have problems with your family, look for family consultant.
Example 3 : If you have weight problems, ask for the current drugs for weight loss.
Find a solution to your problem. Don't let depression make you crash. Good luck.
Sorry for my bad english!