She won't wash - same for us; five years living with the same clothes, no washing. I want to destigmatise mental illness'.
He said: "I said, 'I will help you. I thought it might be better if my family, if they saw how I'm feeling, they would relate to it".
Explaining what she went through as a child, she adds: "She [her mother] ran a torture chamber". "She had the smell of evil about her", O'Connor said. Though Sinead stated her mother physically and sexually abused her, she stated that she forgave her when she was about 14-years-old and they became close again.
"The first thing that came to mind, actually, is that she's dead", she said, admitting it was a odd thing to say.
She said: 'What kicked all of this off was I had a hysterectomy, a radical hysterectomy, in Ireland two years ago, and I lost my mind after that.
What was the deal with the pope picture?
O’Connor recorded a troubling video that went viral in a New Jersey hotel room
The "Nothing Compares 2 U" singer has had a troubled life, having spoken out in the past about the physical and sexual abuse her late mother, Marie O'Connor, subjected her to as a child. "That photo itself had been on my mother's bedroom wall all my life".
"And that's what I think happened with my family, and we have to give my family credit".
Why does she shave her head? "When we were children, my sister had handsome red hair, glorious red hair".
The singer and outspoken activist also revealed that it was her mother's hatred for her sister's looks that inspired her to keep her hair short - a look she has maintained throughout most of her career.
When asked how long she endured the abuse, O'Connor replied, " 'Til I was 13". And that's why I chopped my hair off. "I don't want to live in the shadows anymore, I want to be a teaching tool'". "And it was risky to be pretty, too, because I kept getting raped and molested everywhere I went".
The TV medic said they acted quickly after she made contact and she is now one month into treatment in Tennessee.
"I didn't want to be sold on that", she told McGraw. "The success I wanted was because I was a good musician". "Plus, I came from an age of protest singers". She described herself as "a little out there, unusual, irregular, eccentric". I was relieved for her, relieved for me, but devastated at the loss of her.