Gambling Addiction

Choose Odd or Even
X cannot be more than your life total
{x},{t}: Roll 2 d20's, add the sum of the 2 die.
If the sum equals to what you chose (Odd or
even) gain X life, if not lose X life.
If you roll 2 matching numbers you win or
lose the game.
you don't have a problem, you can quit any time you want