One man went from being nicknamed "Fat Pat" to "Possible Pat" after losing 300 pounds. After Pat Brocco saw the number 605 on the scale at the doctor's office, he knew it was time to make a change. That change? Throwing out all the food in his house and walking to Wal-Mart (which was a mile-and-a-half away) every time he wanted to eat. Now, he's dedicated his entire life to setting a good example for his 1-year-old son and helping others lose weight. Watch the inspiring video from The Ellen Degeneres Show!