Sure he costs a fair amount in diesel, but he shows up on time and always provides a ride. But like a real drummer, don't ask him to do anything in 3/4 time.
People who live in the country know what I'm talking about: you're blissfully driving like 150 miles an hour over the speed limit on some rural freeway, when BAM! Tractor. Ssllooww tractor. Not to mention the fact that he's too wide to pass. Thankfully, if you come across this guy on his tractor, there will be no need to fret. As the great Ricky Bobby once said, "if you ain't first, you're last!"