One of the most powerful motivators and reliable predictors of fulfillment is making a meaningful contribution to a group of people whose values you share (values don’t have to be identical, just compatible). The word “meaningful” here is important because it’s easy to confuse activity with productivity A meaningful contribution produces a positive impact. And if your meaningful contribution is unique, it multiplies, not only that impact, but also your own satisfaction.

You probably think New Year's resolutions don't work. And you're right! They don't. Well... Unless... Behavioral Science tells us they do work; they just don't last. But there is a tool we can use to make the changes you want to make stick.