“Being pleased or distressed is an attribute of experience at a particular moment. I will label this attribute instant utility, borrowing the term ‘utility’ from Bentham (1789/1948). . . Satisfaction questions refer to more inclusive domains of life, such as family life or work. . . At the highest level of integration we find dimensions such as happiness, or well-being, which encompass all domains of life. . . The perspective of the present chapter is bottom-up. It takes the instant utility of the moment as the basic unit of analysis and seeks an objective and normatively justified definition of ‘true’ well-being […]