At birth, we’re each gifted with a unique constitution that’s derived from the elements of our natural world: Fire, Water, Air and Earth. We express the qualities of our innate elements through our (ahem, sparkling) personality: Have a sharp tongue and a quick wit? A go-with-the-flow attitude? A compulsive need to go barefoot (much to the dismay of your office mates)? An introspective, leave-me-be vibe?