Stand Up for Your Boys, Ladies and Gentlemen - Yahoo Voices - voices.yahoo.com
"Boys will be boys" has no meaning any more, even when it has a strong basis in physiology, biology, and adolescent development. You'd have to be blind not to notice the behavioral and developmental differences between adolescent boys and girls, especially in a school setting where pressures and expectations of boy children often exceed the capacity of their development to meet them.
That's another way of saying that society these days often seems obsessed with taking the boy out of the boy. Meanwhile, the entire purpose of school sports is to recognize and develop natural physical and emotional traits with the intention of turning out life "winners" rather than life "losers."