Dude, don't worry. It is life, and its all in the game. Everyone got and might have faced a situation of this sort. There are ups and down in life. No matter what you are and where you live and what you have it is us that can bring changes to our lives. I lost my parents when I was 15. I and my sister were brought up by our grandma. It is all because of Jesus and Grandma for what I am today. Without them, I would have been nothing.
Dear keep going, take courage and move ahead. If you still can't avoid all this, it would be better to undergo a Yoga therapy. A yoga therapy because my cousin had faced a situation of this sort and he underwent a treatment for this. Benefits of yoga therapy can be the following:
http://www.health.harvard.edu/mind-and-mood/yoga-for-anxiety-and-depression
http://www.aesmphysiotherapytoronto.ca/programs/yoga-therapy/
http://www.cbsnews.com/news/is-it-possible-to-heal-depression-and-anxiety-with-yoga/
http://www.yogajournal.com/article/lifestyle/feel-happier/
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2176141/
This is something for you dear. Go through the articles and take necessary steps to come out of this situation.