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 for national tournaments. i ve gone even far as here at work to say, hey, we, you know, we don t have the money to send her. even the girls here at work have said, you know, here s 20. here s 60. reporter: it all has to add up. the money, the training, even her lunch. marlen is a fly weight. she has to weigh in at 112 pounds at 5 3 . i m 21 and i already have like all of these injuries and i m