Friday the 13th ....Would having a therapy or hospital appointment on Friday 13th send you in to a tailspin? Or did you not even realise which day it was? Perhaps, you're just relieved to be making it to an appointment on time!  Friday 13th is widely considered to be unlucky, but it's not actually known for certain how the superstition surrounding this day arose.   What does it actually mean to be superstitious?
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