A single paper cut may sting and make a bloody mess of your document, but it's not going to kill you. What about a thousand of them? Somebody grab a tourniquet! Death from a thousand paper cuts is an old public relations term meaning one bad incident may blow over, but many will kill a career. Ask Paris Hilton. Who? Exactly. What about relationships? You may think that what you did to annoy your partner was no big deal. But enough small deals and you may find your once passio