There's a song—
Baby I Love You—that runs during the credits of the movie
Slither that I think should be the love song/anthem

for any kind of chronic pain. It always gets me chuckling/guffawing because it's so succinct. We've been known to sing a few bars on bad days...
DISCLAIMER: Language some may find objectionable/offensive
http://www.youtube.com/watch?v=UE-7IP6e6d8
Doc