Grandpa found viagra in his grandsons medicine cabinet and asked if he could try one. The grandson said, I don't know, they're very strong and expensive "how much? he asked. $10per pill "the grandson said. "I don't care, I'll try one and leave the money under you pillow. "The next morning he found $110 under his pillow. He tells grandpa, I said each pill was $10 not $110. "I know, grandpa replies, "The $100 is from grandma