Mary K. Hoodhood woke up in a hospital bed to find out that she had been in a catastrophic car accident. At 27, she became paralyzed from the chest down. She knew the dream life she thought she was headed toward was not going to be the same, but she vowed to build a life filled with love, laughter, and purpose. Using her ability to focus on the positive instead of what she could no longer do, she started repeating the mantra, "I will focus on what...