Michael McDonald: One Day at a Time.

Michael McDonald, the lead singer of The Doobie Brothers, reflects on his over two decades of sobriety, his successful music career, and his 41-year marriage in his new memoir, "What a Fool Believes." The memoir discusses his wife Amy's battle with breast cancer and their journey through her diagnosis and treatment. McDonald also shares his struggles with alcohol and drug addiction, and how he has been sober for 27 years. He credits his recovery to his wife's forgiveness and support. The Doobie Brothers are currently on tour for their 50th anniversary and will be releasing a new album. [Extracted from the article]