This would be an interesting motivational tool. Have someone write your obituary and then see if you're happy about it. Modify your life accordingly.
"In journalism, we recognize a kind of hierarchy of fame among the famous. We measure it in two ways: by the length of an obituary and by how far in advance it is prepared. Presidents, former presidents, and certain heads of state are at the top of the chain."
- Walter Cronkite Quotes
American - Journalist November 4, 1916 - July 17, 2009