A married couple claimed they never argued in their 25 years of marriage.

A friend asked, "How is that possible?"
The husband explained: "It all started during our honeymoon when we went to a ranch. While riding, my wife's horse suddenly reared up and she fell off. She got up calmly, patted the horse, and said, 'It's your first time.'"
Shortly after, the horse knocked her down again. She got up, patted the horse again, and said, 'It's the second time.'"
But when it happened a third time, she pulled out a gun and shot the horse."
I was stunned and shouted, "Are you crazy? You just killed the horse!"
She turned to me with a calm look and said, "This is your first time."
And since that day, we never fought again."