And he said we need to study those. We shouldn't just study the sick people, whether the sick people who are physically ill- which is mostly the pathogenic model of medicine, or the people who are unwell psychologically- schizophrenia, depression, anxiety as psychology has mostly studied. He said we need to look at the healthy people and study them, which is exactly the model that led to asking the question in 1980s with at-risk population: "What makes some individuals succeed despite unfavorable circumstances?"

It was his question that made all the difference. So he did the same in his research and asked about the general population: "Who are the people who are healthy? And what is the origin of that health? What distinguishes them from other people?" And he came up with the notion of the sense of coherence that people have the sense of coherence about their lives.