A walking economy
This guy is walking with his friend, who happens to be a psychologist. He says to this friend, "I'm a walking economy."

The friend asks, "How so?"

"My hair line is in recession, my stomach is a victim of inflation, and both of these together are putting me into a deep depression!"

A precise location
Attorney to witness: "And where was the location of the accident?"Witness: "Approximately milepost 499."Attorney: "And where is milepost 499?"Witness: "About halfway between milepost 498 and milepost 500."