Here are two excellent videos about attitude. Gino Auriemma discusses kids trying to be "cool" and body language. John Calipari talks about what it means to be a tough player. They are both college basketball coaches, but what they say applies to youth baseball. Here is the "toughness sheet" that Calipari references. https://www.youtube.com/watch?v=tp4mIONS51E https://www.youtube.com/watch?v=epw99rzvxq8