It was a little over two years ago that John Mayer soaked his career in kerosene and lit a match, sitting for a Playboy interview in which he compared a certain part of his anatomy to David Duke, and gratuitously overshared about his relationships with ex-girlfriends Jennifer Aniston and Jessica Simpson. It was one of pop history’s most spectacular (and purposeful? Freud would say yes) acts of self-sabotage.