A joke my Dad told me
One day a City Slicker happened upon two good ol' boys down on the farm. The City Slicker showed them a bottle of brown pills "Boys, these are smart pills, guaranteed to increase your brain power and raise your IQ."
"How much are they?" One of the good ol' boys asks.
"Three dollars per bottle. Results guaranteed or your money back!"
The good old boys scrounged through their pockets and cobbled together three dollars.
Making the excange the Good ol' boys each took one of the brown, flaky pills out of the bottle and swallowed them down.
The taste was horrible
Grimancing one of the good ol' boys said "Mister, those things taste like goat turds!"
the City Slicker smiled "See? They're Working!"