How Long Must This Go On?

Two Jews boarded a flight out of London. One took a window seat and the other sat next to him in the middle seat. Just before takeoff, an Arab sat down in the aisle seat.

After takeoff, the Arab kicked his shoes off, wiggled his toes and was settling in when the Jew in the window seat said, "I need to get up and get a coke."

Don't get up," said the Arab, "I'm in the aisle seat; I'll get it for you."

As soon as he left, one of the Jews picked up the Arab's shoe and spat in it. When he returned with the coke, the other Jew said, "That looks good, I'd really like one, too." Again, the Arab obligingly went to fetch it. While he was gone the other Jew picked up his other shoe and spat in it.

When the Arab returned, they all sat back and enjoyed the flight.

As the plane was landing, the Arab slipped his feet into his shoes and knew immediately what had happened.

"Why does it have to be this way?&quo