for those interested, may i suggest that you go through wikipedia, which has a long entry about friday the 13th. it's interesting because of this superstition's historical underpinnings. as for the rest of us, any day, any date, is unlucky or lucky if anything bad or good comes our way.
what i believe though is that like prophecy, there is also such thing as a self-fulfilling superstition. afraid to drive on a friday the 13th? well, simple enough. you drive anyway but keep thinking of the day as unlucky. you may even hold some fear about what's going to happen. ergo, you are distracted. you lose control of your nerves. boy, you don't notice before it's too late that you are driving straight into a tree.
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