A couple who...
...had been married for twenty years was having problems in the bedroom.
The husband had lost interest and was not performing his duties.
On a trip to the Country fair they entered the livestock exhibit and stopped to hear a talk about breading cows.
The speaker said," ... and this here bull will mate 3 to 4 times a day for the next 2 years!
The wife poked her husband in the ribs and gave him a searing look.
"That's impressive,” said the husband.
"Except for fact the bull isn't mating with the same cow."