"The Wife" joke

A tired traveler pulls into a hotel around midnight.

Very tired after a long day's trip he asks the clerk for a single room.

As the clerk fills out the paperwork, the man notices a gorgeous woman sitting in the lobby.

He tells the clerk to wait while he disappears into the lobby.

After a minute he comes back, with the girl on his arm.

Lying to the hotel clerk, he says, "Fancy meeting my' wife' here. I'll need a double room for the night."

The next morning, he comes to settle his bill, and finds the amount to be over $3000.

"What's the meaning of this?" he yells at the clerk. "I've only been here for one night!"

"Yes," says the clerk, "but your' wife' has been here for three weeks!"