well, the answer is in krishna's story. >> i've never been as large as i am now. i've went through a lot of life changes. the most devastating was my mother's death. i just kind of shut down. and...this is the result. since 2004, i've put on 110 pounds. it's week 2 of the 21 day fix, and i feel fantastic. on the 21 day fix, i lost 18 pounds! you better believe i'm doing it for [laughing] 21 more days. it's not a crash kind of diet, where you're gonna drop it all and then gain it back the next week. the recipes that they've provided -- they're delicious. i'm eating real food, real portions where i'm full. the workout is 30 minutes. you can do that 30 minutes, and then you're back to your life. with the 21 day fix, i lost 107 pounds... [ cheers and applause ] ...and i feel amazing. the last time i was this size -- my freshman year in college. and now, 20 years later, i'm back. [ laughs ] [ applause ] >> krishna couldn't make it here to the studio, but she's been kind enough to join us from her home. hi, krishna. >> hi, autumn. hi, tom. autumn, i just want to say you