Happy Marriage

A couple was celebrating their Golden wedding anniversary. Their 
domestic tranquillity had long been the talk of the town. A local 
newspaper reporter was inquiring as to the secret of their long and 
happy marriage.

"Well, it dates back to our honeymoon," explained the husband. "We 
visited the Grand Canyon and took a trip down to the bottom of the 
canyon by pack mule.

We hadn't gone too far when my wife's mule stumbled. My wife quietly 
said `That`s once.`

We proceeded a little further when the mule stumbled again. Once
more my wife quietly said, `That`s twice.'

We hadn't gone a half mile when the mule stumbled a third time.
My wife promptly removed a revolver from her purse and shot the
mule dead.

I started to protest over her treatment of the mule when she looked
at me and quietly said, `That`s once.`"