Retirement changes a lot of things. Our schedules change. Our responsibilities change. We're no longer defined by a job title and a workday. But one thing doesn't have to retire when we do—our sense of purpose. I used to think of purpose as something big. A career. Raising a family. Accomplishing a goal. Usually, it's "all of the above". But I'm beginning to see it differently. Purpose can be much simpler than that. It can be how we use what we've learned, what we have, and w