“I always try to go the extra mile at work, but my boss always finds me and brings me back”

“To go the extra mile” means to do extra work. It doesn’t mean to escape work, but there’s a popular joke:
 
“I always try to go the extra mile at work, but my boss always finds me and brings me back.”
   
The joke has been printed on GIFs and ecards, and has been cited in online newsgroups since at least 2000.
 
       
Google Groups: alt.tasteless.jokes
MORE ONE LINERS - http://fishtank.org.uk/humour
bluefish
4/29/00
(...)
I always try to go the extra mile at work, but my boss always finds me and brings me back.
 
Google Groups: alt.clubs.just-for-fun
Quotes
JFFC_DAB
10/7/00
Why not have your cake and eat it too - it’s cake, what else are you going to do with it?
I always try to go the extra mile at work, but my boss always finds me and brings me back.
 
Google Books
To Lift Your Spirits
By DaySpring Cards
DaySpring Cards, Inc.
2004
Pg. 35:
I always try to go the extra mile at work, but my boss always finds me and brings me back.
 
Twitter
Bethany Marshall
‏@BethanyMarshall
“I always try to go the extra mile at work, but my boss always finds me and brings me back.” - Happy Monday!
8:08 AM - 9 Feb 2009
 
Google Books
Laughter Is the Best Medicine: @Work:
America’s Funniest Jokes, Quotes, and Cartoons
By Editors of Reader’s Digest
White Plains, NY: The Reader’s Digest Association, Inc.
2012
Pg. ?:
“I always try to go the extra mile at work, but my boss always finds me and brings me back.” —ANONYMOUS
 
Google Books
Funny Status Updates for Facebook:
Get More Likes
By Erik Groset
Charleston, SC: Advantage
2012
Pg. 159:
I always try to go the extra mile at work, but my boss always finds me and brings me back.