is based on a theory of personal development that views transition as the natural process of disorientation and reorientation marking the turning points in the path of growth. Throughout nature, growth involves periodic accelerations and transformations: things go slowly for a time and nothing seems to happen—until suddenly the eggshell cracks, the branch blossoms, the tadpole’s tail shrinks away, the leaf falls, the bird molts, or the hibernation begins. With us it is the same.
