BONUS: Steven Kotler | From Sci-Fi to Sci-Fact

Fan Mail Friday #22 | Twice as Bright, Half as Long

433: Dan Martell | Hustle to Help

434: Aaron Walker | Steps to a Productive Day

Fan Mail Friday #23 | Caveman Biology Lessons

435: Eldonna Lewis Fernandez | Don't Negotiate with Crazy

BONUS: Steli Efti | The Art of Hustle

436: Chris Yeh | Entrepreneurial Alliance

Fan Mail Friday #24 | An Unappealing Invitation

437: Rick Hanson | Taking in the Good