theories abound as to why cold climates produce happier people than warm ones. my favorite might well be called the get along or die theory. in warm places, it says, your next meal simply falls from a coconut tree. in colder places, people must band together to ensure a good harvest, or else everyone dies. together. - this is a cup of tea for you. - oh, thank you. - for pálína, her mother siggy and her father axel, a pastor, this interdependence doesn t just explain their survival on this frozen tundra. it may also explain their happiness. what a beautiful icelandic kitchen. i understand this farm has been in your family for six or seven generations, back to the mid-1800s. what was life like? - well, i think it didn t change for centuries.