I am a total point miser.
Weight Watchers allows you to eat whatever you want, as long as you count the points. (Points are based on the protein, carbs, fat, and fiber content of the individual food.) There are daily points, plus extra weekly points that be used. Without going into details, I have an awful lot of points so I really can eat what I want. Instead, I carefully hoard my points and only eat foods with minimal points. For instance, I passed up a cookie (7 points) to eat a clementine orange instead (because it was 0 points).
Being a point miser would be a good thing, except that I generally end the day with more than 10 points left untouched. (So I could have had the cookie after all.)