The format of the question.

It’s not are you happy, it’s “is this the best you could hope for” On that question a stoic in prison scores higher than a neurotic person in a palace.

The world happiness index doesn’t actually measure happiness as most people would define it.

Happiest country in the world with the largest number of metal bands per capita. Coincidence? Probably not.

The Happy Finnish, a good name for a chain of saunas.

Vodka?