Well, is it? Tell us your stories, please. What about having a black cat walk in front of you? Does throwing salt over your shoulder reverse your fortunes for the better? Does breaking a mirror really cause seven years bad luck? Is it true what I've heard about stepping on sidewalk cracks with your left foot, while wearing black clothing, on a Friday that's an odd day of the month when it's overcast-that you may or may not have a bad day?