Man: (calling in panic) Doctor, I ate Viagra but I can't find my wife anywhere.
Doc: Don't you have a maid?
Man: Come on doc, I don't need Viagra when I'm with the maid.
May be the problem lies elsewhere. Man: (calling in panic) Doctor, I ate Viagra but I can't find my wife anywhere.
Doc: Don't you have a maid?
Man: Come on doc, I don't need Viagra when I'm with the maid.
May be the problem lies elsewhere."You've showed me I'm not an addict. But I didn't get any work done. I'd get up in the morning and stare at a blank piece of paper. I'd have no ideas, just like an ordinary person. You've set mathematics back a month."
(http://www.untruth.org/~josh/papers/Paul%20Erd%F6s%20bio-rev...)