The 80/20 rule sounds like a mathematical formula and in some ways, it is but don’t fret, this isn’t a lesson on statistics.  The rule came from an Italian economist, Vilfredo Pareto, who stated that 80% of the Italian income was earned by 20% of the Italian population.

What this means is that 80% of your outcomes come from 20% of your inputs.  To put this another way, 20% of your activities equate to 80% of your happiness.  Instead of focusing on income, we will focus on your overall well being or happiness factor.

To prove this theory, look at the distribution...