. >> potato chips, eating out of the bag, going through 11 ervings.t. we'll meet melissa. here is melissa's before picture. all right, melissa, let's see the new you. wow! hello! you look great! >> look at that dress. >> can i tell you something, i love the whole facebook portion of this. that was so smart. what made you decide to do it so publicly? >> i decided that it was smart to be in the public eye. and what's the best way, i'm not a celebrity, how do i go in the public eye. >> for the incentive of it. >> yes. >> accountability. so i had friends from high school, friends from college, that kind of thing. and then it just grew more and more people, and i have over 2,000 friends. >> you're on a roll. >> i know, right? >> congratulation on the half marathon, on losing all the weight. >> i'm so happy for you. this changed your life, huh? >> your first medal from the ha half marathon. >> we're so proud of you. keep it up. we appreciate you coming. if you know someone who should be inducted into "the joy fit club," go to klgandhoda.com. >>> up next, bo