Every summer, I am blessed with the opportunity to drive a swather for a friend of mine in the church. I know many farmers consider swathing to be as interesting as watching paint dry, but I enjoy it because it gives me an opportunity to get away from cell phone reception and my regular work commitments. Swathing days are 8 to 10 hours of time to think and breathe without any pressing concerns or emergencies to deal with. Every time I go out to drive, my friend reminds me of the same rule: Always check the oil before you turn the key. The oil is always fine, but it’s still an iron clad rule. E...