Although he considers them useful and entertaining during his adolescence, a man often begins to find his testicles distasteful shortly after his wifes' first child. After her third child he generally considers his testicles to be foul and disruptive, and the pleasure he once got from using them all but gone.
Vasectomy is therefore a time of great joy to a man, and the process is quite simple, involving only two pieces of tissue, and a horse. More adventurous techniques have been tried, like laser beams, but Kleenex is cheaper, and besides, it's very hard to make horses stand steady while you shoot the beam.
Soon after the operation the man is once again able to fully experience the joy of his wifes continued labours, safe in the knowledge that not one of the little bastards is his ...
Dr. Partz Little Boxes Nursing Home