Joke: Leave Her Alone. She Is Mine.

Three male dogs: a Pit Bull, a German Shepherd and a Chihuahua, sat at the end of a bar downing a few drinks when a beautiful lady Collie walked in and sat at the opposite end. She noticed that they were drooling over her and offered them a deal. "If any of you can use the words 'liver' and 'cheese' in a sentence that I like, I'll let you buy me a drink."
The male dogs started punching each other, feeling quite sure of themselves. The Pit Bull blurts out, "I like liver and cheese."
"No! How base!" snarls the lady Collie.
Then the Shepherd speaks up, "Liver and cheese make good food."
The Collie turns her head and says, "Ha! No good!"
Finally, the little Chihuahua crawls up on the bar and speaks,
"Liver alone, cheese mine!" He got to buy the lady the drink.