A guy stuck his head into a barbershop and asked, "How long before I can
get a haircut?" The barber looked around the shop full of customers and
said, "About 2 hours." The guy left.
A few days later, the same guy stuck his head in the door and asked,
"How long before I can get a haircut?" The barber looked around at the
shop and said, "About 3 hours." The guy left.
A week later, the same guy stuck his head in the shop and asked, "How
long before I can get a haircut?" The barber looked around the shop and
said, "About an hour and a half." The guy left.
The barber turned to his friend and said, "Hey, Bob, do me a favor,
follow him and see where he goes. He keeps asking how long he has to
wait for a haircut, but he never comes back." A little while later, Bob
returned to the shop, laughing hysterically.
The barber asked, "So, where does he go when he leaves?" Bob looked up,
wiped the tears from his eyes and said,