When a shooter began his attack inside Marjory Stoneman Douglas High School in Florida last month, football coach Aaron Feis jumped in front of a student and pushed her out of the line of fire. He’s been called a hero for his bravery that day.

We’d all like to think we would do the same. But, according to Frank Farley, it takes a certain type of personality to jump into danger.

Farley is a psychologist at Temple University, and in a recent article in Men’s Health magazine, he outlines the personality traits that make up this rare type. The Show's Lauren Gilger spoke with him more about it.