english: Because what that question assumes is that our external world is predictive of our happiness levels, when in reality, if I know everything about your external world, I can only predict 10% of your long-term happiness.
non_english: Ono što to pitanje pretpostavlja je da naš spoljašnji svet predviđa nivoe naše sreće, dok u stvarnosti, znajući sve o vašem spoljnom svetu, mogu predvideti svega 10 posto vaše dugoročne sreće.