you tend to sweep things under a rug. reporter: the national alliance on mental illness say 1 in 5 americans live with a mental disorder, but most don t seek treatment. ultimately, you explode. reporter: holdsclaw got headlines when she took a baseball bat to her ex-girlfriend s suv and shot out the windows. holdsclaw found out he was bipolar. she s now an advocate for mental health. i realize i struggle with this and i realize that a lot of people have gone through the same thing. i have the same size feet as a 20-year-old. now, my feet haven t grown. reporter: she started a foundation called mentally driven. i use basketball as a decoy. i bring them in. we are champions for cancer, we have champions for heart disease, we need a champion for mental illness because it s affecting a lot of people.