Upon the union of the male germ cell with the female egg cell, a new cell is created which almost immediately splits into two parts. One of these grows rapidly, creating the human body of the individual with all its organs, and dies only with the individual. ↗
Your children are grown and your career has slowed down - all the stuff that took up so much attention is gone, and you're left with expansive time and space. You have to reimagine who you are and what life is about. ↗