The most important thing you need, to have a chance at huge success, is to be obsessive. This guy succeeded, selling his startup for $800 million. He is obsessi

The most important thing you need, to have a chance at huge success, is to be obsessive. This guy succeeded, selling his startup for $800 million. He is obsessive. Now he's obsessive about something else. News at 11:00. As one of the doctors in the article says: Your maximum lifespan is pretty much programmed into your genes. Things can cause you to die earlier: a traffic accident, letting yourself be overweight, or just bad luck. What this guy is doing, is eliminating some of those early-death factors: he's staying fit, eating well, and so forth. Doing so obsessively? That's not a life most people want to live.