Some puzzles about happiness -- Pt. I. Some things that happiness isn't. Sensory hedonism about happiness -- Kahneman's "objective happiness" -- Subjective local preferentism about happiness -- Whole life satisfaction concepts of happiness -- Pt. II. What happiness is. What is this thing called happiness? -- Attitudinal hedonism about happiness -- Eudaimonism -- The problem of inauthentic happiness -- Disgusting happiness -- Our authority over our own happiness -- Pt. III. Implications for the empirical study of happiness. Measuring happiness -- (...) Empirical research; philosophical conclusions -- The central points of the project as a whole. (shrink)