The barber looked around the shop and said: “About an hour only.”

The old guy left.

The barber turned to a friend and said:

“Hey, Bill, do me a favour.

Follow that old guy and see where he goes.

He keeps asking how long he has to wait for a haircut, but then he doesn’t ever come back”.

A little while later, Bill returned to the shop, laughing hysterically.

The barber asked: “So where does that guy go when he leaves?”

Bill looked up, tears in his eyes and said:

“To your wife!