Desire
Below are links to sites with information on desire and determination.
Body for Life – This is the overall approach to lifestyle change promoted by Bill Phillips and EAS. I have tried it several times and succeeded in losing weight and increasing strength each time. It is a good general purpose program.
Best Abs (Shawn Phillips) – This is a good program for getting your bodyfat down to the level required to reveal your abs. You should train your abs like any other bodypart.