If you look over on the right, you will see some links in my shared items to articles by Denise Day Spencer. Denise has been through an incredibly hard time as she has watched her beloved husband, Michael, aka The Internet Monk succumb to cancer and die, at the age of 53, just before his first book was published.
Her writings on the subject are helpful because of their frankness and honesty.
These are things most of us will be confronted with one day. It is sensible to think about them now.