She has since become a professor at University of Pennsylvania and is the leading expert on “grit” and self-control as it pertains to youth. Instead of focusing on standardized test scores or grades, Duckworth takes a look at a more subjective characteristic in people: grit. She defines grit as “perseverance and passion for long term goals.” (2007) A great CrossFit member is gritty. They ignore the short game of “winning” today’s WOD. Instead, they focus on the long game of improving their technique, strength, and metabolic conditioning. They don’t let a bad day ruin their attitude toward fitness. They don’t let obstacles get in their way of at least trying. A great member does not give up easily because they know a big piece of CrossFit is mental fortitude.