Happiness, or the lack thereof, lies at the root of what makes life meaningful. But it is sometimes hard to figure out what exactly constitutes happiness, especially in a culture like the Unites States that tends to conflate money with meaning.

Roko Belic, the director of Happy, the documentary, traveled the world collecting strategies from places like the slums of India, frenetic cities in Japan, surfers in Brazil, and tiny Bhutan, the first country to measure Happiness as a national product.

Here are four tips from the film to develop a happiness skill set.