CNNW CNN Presents July 29, 2012
how much to eat and crunches and how many endless hours of training will it take to win. why are you here every day? because i want to win. this is my life and this is what i do. like and i can honestly say, like this is who i am. you see it. this is what i do. >> reporter: marlen is a trainer in boxing. >> i've seen her come in and she's all like just pouring down with sweat and when she is training really hard, i'm like, marlen, you want to eat something? she is no, i can't, i can't. she makes me want to cry when she does is that. >> reporter: the family struggles to find the money...