Who ever thought that this, of all things, would be so integral to a more fulfilling life? I speak of gratitude -- making the most of what one has rather than yearning for the best and most of everything.  And gratitude boils down to perspective, one's way of seeing the world.  Some people see an old plate and others see the very thing that holds the nutritious food they're blessed to have. Some people see a rickety car and someone else sees the very thing that keeps them from having to take to the bus or walk long distances, sometimes into sketchy neighborhoods. Some people see a cramped apartment they can't wait to flee from while others see a roof over their heads -- a home where they can spend time and create memories with family. Here are just a few of the ways society prevents us from experiencing true happiness: By telling us to buy the next best and biggest thing, even if we're happy with the one we have -- whether it's a phone, car, or house  By persuading...