Who says they aren't happier and why should the two even be connected (correlation vs causation)? For myself - much of the unhappiness I feel is connected to t

Who says they aren't happier and why should the two even be connected (correlation vs causation)? For myself - much of the unhappiness I feel is connected to things out of my control. Being smarter will have little or no effect. "A Guide to the Good Life: The Ancient Art of Stoic Joy" changed the way I think about happiness a great deal. Smart people know that meta-analysis is often wrong:)