Mackenzie Phillips talks impact of incestuous affair

She revealed eight years ago that she had a long-term incestuous relationship with her father, The Mamas & The Papas singer John Phillips. Trials: 'Some in my family have chosen to hold on to the pain': In her new book actress Mackenzie Phillips says exposing her incestuous affair with her father in 2009 ruined her family relationships Shocking: Phillips exposed the secret, in her book High on Arrival in 2009, that her father John Phillips raped her at age 19 while they were under the influence of drugs and alcohol in 1979. Trauma: In 2009, Mackenzie Phillips appeared on Oprah to discuss her book High on Arrival in which she said her father John Phillips raped her on her wedding night Phillips, who has struggled with drug addiction in the past, changed her life around as she entered her 50s and is now a drug rehab counselor at Breathe Life Healing Center. Family: John Phillips and his daughter Mackenzie Phillips are seen here in 1998 along with his daughter Bijou and fourth wife Farnaz Arasteh at the Rock & Roll Hall of Fame Dinner at the Waldorf Astoria in New York City Speaking to USA Today, Mackenzie said that while she doesn't expect her new book to get the same attention as her last, she wants to share the lessons she has learned working at Breathe Life Healing Centers in West Hollywood. Another of Phillips' half-sisters Bijou said in a statement at the time: 'I understand Mackenzie's need to come clean with a history she feels will help others, but it's devastating to have the world watch as we try and mend broken fences, especially when the man in question isn't here to defend himself,' Release: Mackenzie Phillips now works with addicts at the Breathe Life Healing Center in West Hollywood and her new book is about her own struggles with drugs and alcohol In her first book, Mackenzie Phillips says that her father raped her on the night before her wedding.