> A common pattern among highly successful founders is an absolute obsession with their work. It becomes difficult to separate them from what they love to do. This idea appears repeatedly in the stories of great entrepreneurs. > > For example, when Michael Dell was asked how many hours he worked when starting his company, he simply replied, "all of them." Similarly, Jensen Huang of NVIDIA has said that he works every day and is always thinking about work, even finding it relaxing. The same sentiment is echoed by Michael Ovitz, who wrote in his book that when he was building his company, "every waking hour was a working hour."