judging me and stuff. >> i treat people how i want them to treat me. math is one of my better skills. it comes easy to me. it's something that she stru struggles with, if i can help her, it's not going to hurt me. i sit down for ten minutes and write out the multiplication tables. all i have here is time. why not use it for something con struktsive. >> 30, 40, 50, 6 o. . >> yes, easy. >> narrator: melissa sees it as a step of getting back on track. >> mondays to sundays, nonstop, every day. there's not a day that passed every day. i did crazy. i looked like a damn fool. i could see myself now out there. i looked like a damn fool running around thinking i'm [blee [bleep]. >> 37 years old, i can't do this no more.