Live A Long And Happy Life. In this video we wlearn about Ikigai and other things people of Okinawa do to live a long and happy life from the book of Ikigai, Japanese secret to a long and happy life by Hector Garcia and Francesc Miralles. Okinawa is an island, South of mainland Japan, containing some of the world’s longest living humans. On average, men live until 84 and women until 90. There are also a very high concentration of people who are 100 or more. Even the oldest Okinawans are considered healthy and have the emotional, physical and intellectual capacity to live and function independently.