A man and a woman who had never met before, but were both married to other people, found themselves assigned to the same sleeping room on a transcontinental train.
Though initially embarrassed and uneasy over sharing a room, they were both very tired and fell asleep quickly.... him in the upper bunk and she in the lower.
At 1:00 AM, the man leaned over and gently woke the woman saying, "Ma'am, I'm sorry to bother you, but would you be willing to reach into the closet to get me a second blanket? I'm awfully cold. "
I have a better idea," she replied" Just for tonight, let's just pretend that we're married. "