https://en.wikipedia.org/wiki/Ikigai

Everyone, according to Japanese culture, has an ikigai. Finding it requires a deep and often lengthy search of self. Such a search is important to the cultural belief that discovering one's ikigai brings satisfaction and meaning to life.

In the culture of Okinawa, ikigai is thought of as "a reason to get up in the morning"; that is, a reason to enjoy life. In a TED Talk, Dan Buettner suggested ikigai as one of the reasons people in the area had such long lives