This is reflective and resonates with me; I felt the same way after my first wife and I divorced. I remember asking myself: what do I do with all the memories, the connections with ex-wife's parents (whom I loved, even though her mother was a rather intrusive meddler), memorabilia, photos. The answer I found, is you try to own up to things that you could have done better, learn from it, and try to be better the next time.