A guy sticks his head in the barber shop and asks, “How long before I can get a haircut?” The barber looks around the shop and says, “About two hours.” The guy walks out.A few days later, the same guy sticks his head in the door and asks, “How long before I can get a haircut?” The barber looks around the shop full of customers and says, “About two hours.” Once again, the guy leaves the shop.

A week later, the same guy sticks his head in the shop and asks, “How long before I can get a haircut?” The barber looks around the shop and says, “About an hour and a half.” Again, the guy walks out.

The barber is getting curious. He looks over at a friend in the shop and says, “Hey Bill, follow that guy and see where he goes.”

A little while later, Bill comes back into the shop laughing. The barber asks, “Bill, where did the guy go when he left here?”

“To your house.”