start a gym, live in the gym, become a personal trainer. ya' got a job, a home, a way to get fit, and something to work towards all in one. do it as a business with some friends, become a personal trainer, they make tons of money, i think. like, as much as a psychologist or psychiatrist.
You're actually not in a terribly bad situation at all. I realize and understand that these are stressful financial times but $50,000 is still a good jumping off point to start a new life, and I think we could all agree that there are many out there who would love to have that kind of money to start something for them selves. The best thing is that "you have all the ambition in the world." THAT IS KEY and COMMENDABLE. Here is why: Talent, although good and nice to have, means NOTHING if you're not willing to put in the HARD WORK. And it seems you're more than ready to do that.