He says his worst sins have been the things he's done to his two wives and six children. And he takes full responsibility for falling off the wagon in 2012, accepting it had nothing to do with bandmate Tony Iommi being diagnosed with cancer.

Asked about his regrets, Ozzy tells the Daily Mail: "You haven't got enough time - I have thousands of them. I spent decades of my life being an absolute idiot.

"I was a bad father, an abusive husband, and I had ego to size of India. It's pointless even saying 'sorry.' I couldn't say it enough times; all I can do is stay sober."