The Conclusion argues that despite material improvements in both work and home life during the twentieth century, societal changes and a growing popular discourse of stress meant that by its end, people regularly interpreted their everyday woes as stress. The language and terminology deployed to describe what is now understood as stress, were historicised according to cultural and social acceptability and thus physical explanations and stoicism were privileged for much of the century. The chapter argues that after the Second World War, thanks to increasing education, affluence and consumerism, people began to understand and deal with their everyday experiences of work and domestic life differently, so that such experiences became both problematised and the concept of stress popularised. Overall, it argues that stress was and is a mutable concept, its flexibility ensuring both conceptual longevity and, by the end of the century, its apparent ubiquity.