John Mayer: 'I was just a jerk' in previous relationships

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John Mayer is 'fessing up to his playboy ways, calling himself a "jerk" in an upcoming interview. Mayer has a celebrity black book that includes Taylor Swift, Jennifer Aniston, Jennifer Love Hewitt, Minka Kelly and Jessica Simpson, whom he famously equated to "crack cocaine" and "sexual napalm" in a March 2010 Playboy interview. And just about all those relationships ended with Mayer looking like the bad guy, gaining him the skeazy rep of Hollywood's serial playboy. There's even a Swift song called "Dear John" that seemingly fleshes out exactly the kind of guy he was, though she denies that the song was actually written about him. "I was just a jerk," the "Speak for Me" singer says in the interview airing on CBS's "Sunday Morning" this weekend.

Full story: John Mayer: 'I was just a jerk' in previous relationships