How Many Viagra?

An elderly gentleman went to the local drug store and asked the pharmacist for Viagra. The pharmacist said, "That's no problem. How many do you want?"

The man answered, "Just a few, maybe 4, but cut each one in 4 pieces."

The pharmacist said, "That won't do you any good."

The elderly gentleman said "That's all right. I don't need them for sex anymore as I am over 80 years old. I just want it to stick out far enough so I don't pee on my shoes."