Since ancient

[size=9pt]A man and a woman who have never met before find themselves in the same sleeping carriage[/size][size=9pt] on a train. After the initial embarrassment they both go to sleep -- the man on the top bunk[/size][size=9pt] , and the woman on the lower.[/size][size=9pt]In the middle of the night the man leans over, wakes the woman and says, "I'm sorry to bother you, but I'm awfully cold and I was wondering if you could possibly get me another blanket?"Clay brick machine[/size][size=9pt]The woman leans out and, with a glint[/size][size=9pt] in her eye, says, "I have a better idea, just for tonight, let's make pretend that we're married."[/size][size=9pt]The man says happily, "OK! Sure!"Clay brick machine[/size][size=9pt]The woman says, "GOOD. Get your own damn blanket!"[/size]