Workers are returning to their careers, or start-ing new ones, after age 65.rnMore than ever, work is where many of us develop our sense of purpose. That doesn't end at age 65. After being retired for only three months, Sue Ellen King returned to work at the University of Florida Health in Jacksonville, Florida, where she had been a care nurse and nursing educator for 38years. She is now working part-time in a position created just for her.