So many people with depression have low self esteem and this makes fighting depression that much harder.
It is your responsibility to figure out if you have low self esteem and fix it, because life sucks when you don't feel good about yourself no matter how much money, success, or friends you have.
Go here to find out if you have low self esteem:
Go here for exercises that will raise your self esteem (The 6 Pillars of Self Esteem):
Do yourself a huge favor and invest 10-20 minutes a day in developing your self esteem. You'll quickly notice how different you'll feel everyday.