How to measure happiness? The definition of happiness is dependent on each person. For me, it is a matter of feeling. That feeling depends not only on how good I feel at the moment but also on how large the gap between my financial status and the living cost. I would like to quantify the happiness in financial term.

As long as the growth rate of number of things that I want in life is lower than the growth rate of my income, the longer I live, the more happy I am. If I can maintain a zero (or negative) growth rate for the number of things that I want while growing my income, well, it is only a matter of time to accumulate enough net worth to stop full time working and start full time living. Cool. Continue reading →