serious question
Have you ever been dissatisfied with life to the point of becoming greatly depressed ?
i have been disappointed with things, been a little down at times, but i have this thing called inner fortitude, only weak minds give in.
when things get tough, grit your teeth and try harder. when they get tougher again, you get tougher.
perhaps this is a Scottish trait, we have will power, determination, desire, and imagination.
we do not go running to psychotherapists, we do not turn to medication, we simply get on with things.
also on a personal note buddism has helped me see the world in a different light.
buddha speaks about how everything in life is about suffering, every happy thought doesn't last, every happy moment doesn't last, every happy meal doesn't last.

even life itself doesn't last. That doesn't mean its the end either though, everything comes in cycles.
yes life isn't fair, yes it sucks that your parents died, but it was your fathers actions that caused it, not yours. What you are doing is letting his actions destroy you too.
you do not need drugs, drink, or friends, to feel better. All you need is yourself.
look inside yourself for help - and all your problems will vanish.