Have you considered that you may be an adrenalin Junkie?
Base jumping and snowboarding are not the only ways to get your pulse pounding.
I have played poker in the past and it quickly became something that was all I wanted to do. - The Rush, the Tension - I began to crave the feeling of braving the unknown.
Dispite the damage that it is causing to your body, you have continued to play, and your fooling yourself if you place your only reason for playing on the Need for Employment.
Gambling is a seroius addiction, particularly for those who sit at the high stakes tables and make more in one night than most ever see in a year.
Figure out what is more important to you....the rush and suspense or the fatigue at the end of the night.
Every "job" has its down side.