Based on his own experiences, Brian Little came up with a new theory of psychology, known as “Free Trait Theory,” to demonstrate this truth. According to Free Trait Theory, we are born with certain personality traits, but we can also adopt new ones when we really need them, in the service of our “core personal projects.” So, extroverts aren’t the only ones who can turn on the charm onstage. And introverts aren’t the only ones who can sit quietly and devour articles online, or spend hours alone practicing an instrument.
