Young Dave was courting Mabel, who lived on an adjoining farm out west in cattle country. One evening, as they were sitting on Dave's porch watching the sun go down over the hills, Dave noticed his prize bull doing the business on one of his cows. He sighed in contentment at this idyllic rural scene and figured the omens were right for him to put the move on Mabel.
He leaned in close and whispered in her ear, "Mabel, I'd sure like to be doing what that bull is doing."
"Well then, why don't you? "Mabel whispered back. "It is YOUR cow.