Toughness is the stuff we see on TV when folks snarl at each other and make threats. That’s mot toughness. Toughness measures the amount of grit one has to keep grinding and not give up. Grit takes the small tasks and worksthem to their conclusion. Grit is the stuff one has to stay on task when the others walk away. Two people with grit will outperform and out work a dozen without grit.