“An obsession and overinvestment in emotion fails us for the simple reason that emotions never last. Whatever makes us happy today will no longer make us happy tomorrow, because our biology always needs something more. A fixation on happiness inevitably amounts to a never-ending pursuit of “something else”—a new house, a new relationship, another child, another pay raise. And despite all of our sweat and strain, we end up feeling eerily similar to how we started: inadequate”