Jenny asks… Why is 7 a lucky number? I’m trying to find information on the origin of the numerology of 7. For example, we know that 13 is considered unlucky for one of many reasons. We live in a world where 12 makes sense, 12 hours, 12 months, etc. When the cavemen counted, They could easily count to 12 because they had 10 fingers and 2 feet=12, but 13 posed a problem so it was considered unlucky. 13 was…