Life was hard in the city. The couple lived from hand to mouth, working every waking hour in their small business. Early one morning the wife is awakened by her husband's pacing. It's 3:00am and she inquires,
"Why can't you sleep?"
"You know our next door neighbor, Sam. I borrowed $100 from him, and it's due tomorrow morning. I don't have the money. I don't know what I'm going to do."
Without a further word the woman gets out of bed and opens the window.
"Sam," she shouts, and several times more, "Sam, Sam."
Finally a very groggy Sam opens the window opposite her and yells back, "What, what is it ... it's 3 AM."
"You know the $100 my husband owes you? He doesn't have it."
Whereupon she slams the window shut, turns to her husband and proclaims,
"Now you go to sleep, and let Sam pace the floor ..."