Viagra

After 30 years of marriage, sex just wasn't what it used to be. Susan longed for the days of being a newlywed, when just about anything was a good enough reason to have sex. Then one day she saw an ad for Viagra on TV. It sounded too good to be true. The very next morning she went to the drug store and asked the pharmacist if Viagra really worked.
"Yes," he said, "I use it myself."
"Can you get it over the counter?" asked Susan.
The pharmacist replied "Well, not with one pill, but maybe with two..."