That is, of course, not true. Here’s the more likely story of the evolution of our base 10 numbering system.
http://www.vedicsciences.net/articles/history-of-numbers.html
Interesting theory though.
It has to be related to sex and the number of wives. By the time you get to 4, you are most likely in knots. By 7, you are ready to hang yourself. By 9… you’ve figured out how to sneak away down the street to the local bar while they all argue with one another. No more than three is the lesson.
…and the numbers are not presented in proper order.
Zero actually comes before One. Perhaps this is the advisable number of wives for many men seeking advice on the matter.