Strap yourself in for a chat with one of the greats. Two time Academy Award winner Sean Penn pays his first visit to "Happy Sad Confused" to spread the good word about his debut novel, "Bob Honey Who Just Do Stuff".  In this conversation, Penn opens up about the reasons he's turning away from acting for the solitary pursuit that is writing. But of course Josh takes the opportunity to explore some of Penn's most notable collaborations, from Woody Allen to David Fincher. Plus Penn reminisces about random phone calls from Marlon Brando, the importance of his mentor, Jack Nicholson, and so much more.  Learn more about your ad choices. Visit megaphone.fm/adchoices