According to a news story, the Web site Stickk offers a service where you give them money that they will donate to charity if you fail to go to the gym as often as you promise to. (You can even have the money donated to an anti-charitylong dasha cause you disapprove of.) Source: Josh Barro, "How to Make Yourself Go to the Gym," New York Times, January 10, 2015. Why would anyone use this service? People who fail to go to a gym to work out as often as they promise