Current scientific research indicates that happiness is about 50% determined by genetics, and about 30-40% is a product of how a person thinks and acts. In other words, you are what you are because of your inborn character, but it is in action that you push yourself up to the top of your range or down to the bottom of your range.
Check out Productive Magazine — a free online magazine, with lots of great articles (including one from me) about how to live more productively and happily.
Interested in starting your own Happiness Project? If you’d like to take a look at my personal Resolutions Chart, for inspiration, just email me at grubin, then the “at” sign, then gretchenrubin dot com. No need to write anything more than “Resolutions Chart” in the subject line.