Oh goodness, I'm sorry you're going through this. It will pass. You'll find a new life and you'll enjoy it more than you ever would the JW life. Have you finished college? Make some plans -- where would you like to go, what would you like to do in life and what would it take to get there? Don't do dumb things like drugs and unprotected sex, that will just make life harder. But get out, join groups doing things you like or are interested in. Do some traveling, get as much education as possible.
Also, make sure you exercise outside every day - the daylight and the exercise help you keep from getting depressed while you make all these changes in your life.
One of the best things I did after getting out of the wtbts was get counseling. I am still amazed at how much I didn't know about real life that I learned from my psychologist.