One reason why retiring can be so disorienting for us is that our work is like a multidimensional structure that contains, fills, and shapes much of our lives. Our work provides us with focus, meaning, purpose, boundaries, roles, identity, belonging, community and more.
Take a moment to reflect on the multidimensional structure that is/has been your work. You might want to imagine it or draw it or give it some form for you. What of all the things this structure provides you will you/do you want to replace or recreate in some way? How might you explore doing that?