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“There was a study by Ralph Keeney showing that if you estimate what percentage of human mortality comes from bad decision-making it will be about 10 percent for people a hundred years ago. If you look at it these days, it is a little bit more than 40 percent. Why? Because as we invent new technologies, we also invent new ways to kill ourselves. Think about obesity. Think about smoking. Think about texting and driving. All of those are self-control problems. Self-control”