This policeman was eating at a local diner when this old couple sits down in the next table. He overhears the old man tell the woman " Do you remember when we ate here on our wedding day." She answers Yes. He then ask's her " do you remember how after we ate,we went out back and made passionate love against the fence" Again she says Yes. He then asks her if she would like to do it again to which she replies Yes and off they go. The policeman having heard this decides to follow them because he thinks I have to see this. The old man pulls up her dress and leans her against the fence and suddenly they break out in the most passionate lovemaking the cop had ever seen and then both lay down on the ground exhausted. Not believing what he had seen the policeman just has to go up to them and ask how a couple as old as they were could perform with such energy. The old man looked up at the cop and replied " Back then the fence was not electric.