Opinion: The sports psychology behind 'grit'

Grit has multiple meanings, including grainy and abrasive. That’s the prevailing hockey definition, typically referencing “playing with an edge.”
But in psychological terms, grit means something else. It means passion and perseverance, and it predicts achievement and success in life and sport over and above things like intelligence and ability. In a psychologically gritty sense, passion refers to focused goal-directed behaviour over long periods of time; perseverance, to unwave