Learn how to overcome your personal mindset and reach for another that excites you. This implies learning what motivates you and what you enjoy. There's ample evidence that most folks have more than three careers in a single lifetime. They can be as varied as turning from a physician to an artist and anything in between. You can re-invent yourself as long as you have the commitment to follow your dreams while placing your feet squarely on the ground, one foot while watching other.