Duff is the fictional beer from the Simpsons. No licensed version exists but several breweries have created a real "Duff" beer to fill the gap. As a result the Lithuanian publisher of the Simpsons comic was sued for "advertising alcohol".
"It took working on writing a book to make me realize that I'm not all that interested in talking about the past and that the best expression of my life and its ups and downs has been and remains my music."
Apparently one of the things he didn't want to talk about was his three marriages. generally the press referred to them as "failed" marriages. But if everything that ends is a failure we are all pretty much destined to be mammoth failures eventually.