we'll see you for the next >> super star mary j blythe is in the doctor's house of the today on oz, she a painful past of drugs and alcohol. >> what turned the light on and you began to realize you're worth it? >> i realized i would dry. >> what mary blige is saying about living a healthy life after 40. >> i have to suffer for that. >> and fighting p.m.s. >> it's good. >> rousing endorsement! >> coming up next on "dr. oz." dr. oz: let's be honest, many of us were not exactly models of health when we were younger. whether your vice was junk food, alcohol or cigarettes, it's never too late to make healthier choices.