Share 'Who needs a treadmill when you've got Briggs and Stratton?'

I spent the day today mowing our yard. This may sound trivial if you have not seen our yard. I was mowing for almost 8 hours - we are on an acre, and due to some semi-sadistic character flaw that I have since gotten treatment for, I apparently thought it was a good idea to use mowing my lawn as exercise, so I purchased a lawnmower. Now it is self-propelled to a degree, but it really only propel...