I think it's sad when people can't control their gambling. You need to put aside an amount to gamble that you're comfortable with & not go over it.
I definitely agree with you @DeathAngel..... Gambling is intended for leisure and fun and not as a source of income. To the OP who lost everything, Its not too late for everything, If lost everything from gambling, probably this would be a great experience for you, in order to move on and learn from the mistake you had. If you cant control your desire to gamble on what you have, better for you to stay out of it. But if you think your are a lucky person and your confident that your bet can win, then go for it and remember not to put everything on it. As i said gambling is for Leisure and fun not for source of income.