A mechanic was removing a cylinder head from a motor of a Harley when he spotted a well known cardiologist in his shop.
The cardiologist was there waiting for the service manager to come and take a look at his bike when the mechanic, thinking he might get in a cheap shot at the medic’s expense, called out to the doctor from across the garage.
“Hey Doc, want to take a look at this?”
The cardiologist, a bit surprised, walked over to where the mechanic was working on the motor cycle.
The mechanic straightened up, wiped his hand on a rag and asked, “So Doc, look at this engine. I open its heart, take the valves out, repair any damage, and then put them back in, and when I finish, it works just like new.”
“So how come I make $39,000 a year and you get the really big bucks, when you and I are doing basically the same work?”
The cardiologist paused, smiled, leaned over and whispered to the mechanic……
“Try doing it with the engine running…”