Michael Ochs Archives/Getty Arnold Schwarzenegger's career was skyrocketing to a new level in 1975. He was the greatest bodybuilder in the world and had the beginnings of a film career.

Schwarzenegger had just finished shooting the film "Stay Hungry" and was participating in the documentary "Pumping Iron," which followed him through his training for Mr. Olympia, which he would win for the sixth straight time. He was also a successful California real-estate investor.

As his international celebrity - and bank account - grew, Schwarzenegger realized that despite his signature extreme self-confidence, he was starting to feel overwhelmed, he tells author Tim Ferriss in the latest episode of Ferriss' podcast. ...[Continue reading on Business Insider]