Identity achievement in psychology is the stage of life where a person finally achieves a true sense of oneself. It’s often thought to reach this stage, a person has to have completed a large amount of self-exploration and all of the wonderful options and pathways they’ve had in life. It’s not truly reached until adulthood after a person has had the chance to explore a plethora of life experiences. Sometimes it even takes buying an unaffordable Corvette during a midlife crisis to achieve such a thing.
Other examples are lost souls finding solace in fictional religions, moving across the world to explore different cultures, or finally getting around to crafting a delicious peanut butter tuna sandwich.