Chain e-mails. We don't want them, but what to do?

Chain Letter Response: I recently received your chain letter. Over 1,000 people have sent me chain letters, and every one of them has died within six months, probably from the "Chain Letter Sender's Curse." You will probably die soon if you experience any of the following symptoms: 1) Tiredness at bedtime, 2) Hunger just before lunch, 3) Inability to remember your license plate number, or 4) Stupidity