A Navy SEAL explains how the '40% rule' can help you succeed

Jesse Itzlerfelt he was in a rut. So he askedNavy SEAL David Gogginsto live with him for 31 days, during which Jesse would do anything David told him to do. Jesse would later write"Living With A Seal"documenting the grueling experience of getting whipped into shape by one of the toughest men on the planet. They ran through snow storms, jumped into a frozen lake, and did lots and lots of push-ups. Here, Jesse and David talk about actively pushing yourself and the 40% rule, which means when you th...