Now, it depends on who are the "kids" here. You are possibly thinking of this in terms of American school activity soccer, and small children in general . I com

Now, it depends on who are the "kids" here. You are possibly thinking of this in terms of American school activity soccer, and small children in general . I completely agree with you about 10-year-olds. I was writing in the context of 17-19 year old kids who have trained football for a dozen years and perhaps played advanced computer games for almost as long. It falls into category of the Einstein's quote about doing the same thing over and over again and expecting different results.