It depends on what drives him. In the video he says he is launching a new company. I've had my fair share of talks with entrepreneurs, almost everyone of them are married to their new business. Everything takes a backseat.
They find their drive and desire in life by doing it so it's hard to turn it off. Failure to be able to separate this from other aspects of life that are important; such as family and sleep for example, can lead to a break down in these other areas.