Paddy is taking his oral exam for his tractor trailer driving license:
Examiner: Okay Paddy your heading down a steep hill with a trailer loaded with aviation fuel, your engine quits and your brakes are inoperable. Your co driver, Shamus is asleep in the bunk behind you..What would you do?
Paddy: I would wake Shamus.
Examiner: Okay, why?
Paddy: Well I would not want him to miss one bejesus hell of a crash!