Gretchen Rubin is the author of several books, including the New York Times bestsellers The Four Tendencies, Better Than Before, The Happiness Project, and Happier at Home. She has an enormous readership, both in print and online, and her books have sold three million copies worldwide, in more than thirty languages. On her popular weekly podcast, Happier with Gretchen Rubin, she discusses good habits and happiness with her sister Elizabeth Craft; they've been called the "Click and Clack of podcasters." Her podcast was named in iTunes's lists of "Best Podcasts of 2015" and was named in the Academy of Podcasters "Best Podcasts of 2016." Fast Company named Gretchen Rubin to its list of Most Creative People in Business, and she's a member of Oprah's SuperSoul 100. Enjoy! This episode is brought to you by Shure. Shure is the brand behind my favorite headphones -- the SE846. Shure has been trusted by musicians and sound experts for years, and I use Shure equipment to help record each episode of the podcast. The SE846 earphones feature a groundbreaking low-pass filter that delivers extended high-end clarity and unparalleled low-end performance of a true subwoofer without sacrificing clarity or detail of mids or highs. Go to shure.com/tim and use the coupon code "TIM" at checkout to save $100 on these phenomenal headphones through January 2018. This podcast is also brought to you by FreshBooks. FreshBooks is the #1 cloud bookkeeping software, which is used by a ton of the start-ups I advise and many of the contractors I work with. It is the easiest way to send invoices, get paid, track your time, and track your clients. FreshBooks tells you when your clients have viewed your invoices, helps you customize your invoices, track your hours, automatically organize your receipts, have late payment reminders sent automatically and much more. Right now you can get a free month of complete and unrestricted use. You do not need a credit card for the trial. To claim your free month and see how the brand new Freshbooks can change your business, go to FreshBooks.com/Tim and enter "Tim Ferriss" in the "how did you hear about us" section. *** If you enjoy the podcast, would you please consider leaving a short review on Apple Podcasts/iTunes? It takes less than 60 seconds, and it really makes a difference in helping to convince hard-to-get guests. I also love reading the reviews! For show notes and past guests, please visit tim.blog/podcast. Sign up for Tim’s email newsletter (“5-Bullet Friday”) at tim.blog/friday. For transcripts of episodes, go to tim.blog/transcripts. Interested in sponsoring the podcast? Please fill out the form at tim.blog/sponsor. Discover Tim’s books: tim.blog/books. Follow Tim: Twitter: twitter.com/tferriss  Instagram: instagram.com/timferriss Facebook: facebook.com/timferriss  YouTube: youtube.com/timferriss Past guests on The Tim Ferriss Show include Jerry Seinfeld, Hugh Jackman, Dr. Jane Goodall, LeBron James, Kevin Hart, Doris Kearns Goodwin, Jamie Foxx, Matthew McConaughey, Esther Perel, Elizabeth Gilbert, Terry Crews, Sia, Yuval Noah Harari, Malcolm Gladwell, Madeleine Albright, Cheryl Strayed, Jim Collins, Mary Karr, Maria Popova, Sam Harris, Michael Phelps, Bob Iger, Edward Norton, Arnold Schwarzenegger, Neil Strauss, Ken Burns, Maria Sharapova, Marc Andreessen, Neil Gaiman, Neil de Grasse Tyson, Jocko Willink, Daniel Ek, Kelly Slater, Dr. Peter Attia, Seth Godin, Howard Marks, Dr. Brené Brown, Eric Schmidt, Michael Lewis, Joe Gebbia, Michael Pollan, Dr. Jordan Peterson, Vince Vaughn, Brian Koppelman, Ramit Sethi, Dax Shepard, Tony Robbins, Jim Dethmer, Dan Harris, Ray Dalio, Naval Ravikant, Vitalik Buterin, Elizabeth Lesser, Amanda Palmer, Katie Haun, Sir Richard Branson, Chuck Palahniuk, Arianna Huffington, Reid Hoffman, Bill Burr, Whitney Cummings, Rick Rubin, Dr. Vivek Murthy, Darren Aronofsky, and many more. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Bozoma Saint John (@badassboz) is the Chief Brand Officer at Uber. Until June 2017, she was a marketing executive at Apple Music after joining the company in its acquisition of Beats Music. In 2016, Billboard named her Female Executive of the Year, she appeared on Fortune's 40 under 40, and Fast Company's 100 Most Creative People. Bozoma was featured in Tribe of Mentors, but this conversation covers topics that go far beyond what was covered in the book. Enjoy! This podcast is brought to you by Peloton, which has become a staple of my daily routine. I picked up this bike after seeing the success of my friend Kevin Rose, and I've been enjoying it more than I ever imagined. Peloton is an indoor cycling bike that brings live studio classes right to your home. No worrying about fitting classes into your busy schedule or making it to a studio with a crazy commute. New classes are added every day, and this includes options led by elite NYC instructors in your own living room. You can even live stream studio classes taught by the world's best instructors, or find your favorite class on demand. Peloton is offering listeners to this show a special offer. Visit onepeloton.com and enter the code "TIM" at checkout to receive $100 off accessories with your Peloton bike purchase. This is a great way to get in your workouts or an incredible gift. Again, that's onepeloton.com and enter the code TIM. This podcast is also brought to you by Helix Sleep. I recently moved into a new home and needed new beds, and I purchased mattresses from Helix Sleep. It offers mattresses personalized to your preferences and sleeping style -- without costing thousands of dollars. Visit Helixsleep.com/TIM and take the simple 2-3 minute sleep quiz to get started, and Helix Sleep will build a mattress you'll love. Its customer service makes all the difference. The mattress arrives within a week, and the shipping is completely free. You can try the mattress for 100 nights, and if you're not happy, the company will pick it up and offer a full refund. To personalize your sleep experience, visit Helixsleep.com/TIM and you'll receive $50 off your custom mattress. Enjoy! *** If you enjoy the podcast, would you please consider leaving a short review on Apple Podcasts/iTunes? It takes less than 60 seconds, and it really makes a difference in helping to convince hard-to-get guests. I also love reading the reviews! For show notes and past guests, please visit tim.blog/podcast. Sign up for Tim’s email newsletter (“5-Bullet Friday”) at tim.blog/friday. For transcripts of episodes, go to tim.blog/transcripts. Interested in sponsoring the podcast? Please fill out the form at tim.blog/sponsor. Discover Tim’s books: tim.blog/books. Follow Tim: Twitter: twitter.com/tferriss  Instagram: instagram.com/timferriss Facebook: facebook.com/timferriss  YouTube: youtube.com/timferriss Past guests on The Tim Ferriss Show include Jerry Seinfeld, Hugh Jackman, Dr. Jane Goodall, LeBron James, Kevin Hart, Doris Kearns Goodwin, Jamie Foxx, Matthew McConaughey, Esther Perel, Elizabeth Gilbert, Terry Crews, Sia, Yuval Noah Harari, Malcolm Gladwell, Madeleine Albright, Cheryl Strayed, Jim Collins, Mary Karr, Maria Popova, Sam Harris, Michael Phelps, Bob Iger, Edward Norton, Arnold Schwarzenegger, Neil Strauss, Ken Burns, Maria Sharapova, Marc Andreessen, Neil Gaiman, Neil de Grasse Tyson, Jocko Willink, Daniel Ek, Kelly Slater, Dr. Peter Attia, Seth Godin, Howard Marks, Dr. Brené Brown, Eric Schmidt, Michael Lewis, Joe Gebbia, Michael Pollan, Dr. Jordan Peterson, Vince Vaughn, Brian Koppelman, Ramit Sethi, Dax Shepard, Tony Robbins, Jim Dethmer, Dan Harris, Ray Dalio, Naval Ravikant, Vitalik Buterin, Elizabeth Lesser, Amanda Palmer, Katie Haun, Sir Richard Branson, Chuck Palahniuk, Arianna Huffington, Reid Hoffman, Bill Burr, Whitney Cummings, Rick Rubin, Dr. Vivek Murthy, Darren Aronofsky, and many more. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.