Equality and trust are good.

So is there anything to the Danish diet?

Danes actually eat a lot of crap, a lot of frozen vegetables, but they cook at home every day and sit down and eat together. This is the main thing in our culture, because take-out and processed convenience foods are more expensive. Fruits and vegetables have to be the cheapest thing, cheaper than eating at McDonald's. It all comes down to economics.

In the international rankings, Danes are the happiest people: http://pandawhale.com/convo/1796/which-countries-are-happiest-unhappiest-barking-up-the-wrong-tree