The concept is simple enough, but you'd be surprised how many people don't have hobbies. Many people have interests and activities that can keep them preoccupied for a couple hours a few times a week, but the ability to keep yourself busy for 12+ hours a day, seven days a week is difficult. For most people, their work defines them; therefore, if you remove the work then they don't know what to do with all the extra time. While you still have the opportunity, discover more hobbies that can capture your interest, stimulate your mind, and occupy your time.