Most of the time when softball people get together to discuss the game, the talk turns to technique. They'll debate for hours on end regarding the best way to hit a ball, pitch a ball, throw a ball, etc. They'll talk about athleticism, conditioning and a lot of other physical aspects.
One subject that rarely comes up, though, is heart. That's a shame too, because while a player with great physical skills is a valuable thing to have, without heart you're not going to win as many games as you could.
Heart is what keeps a player going when others might give up. While a player with heart loves to win as much as the next person, winning is not what ultimately drives her. Instead, she plays for the love of the game, and thus focuses on the game itself rather than the outcome.
Players with heart are highly valuable to a team. Just as a player who loses heart can bring a team down, a player who has heart can drive her team to keep playing even when the odds are against them.
In fact, players who have heart often love the challenge of overcoming tough odds. That's not to say that they purposely try to get behind in a game, but when it does happen on its own it brings out the best in them.