Why do Boys behave the way they do?

He is active, he likes to jump and climb, and he can't stay focused on anything other than the computer, game system or his skate board and seems too distracted to listen. He gets into things and he takes things apart, he likes to pick at his sister. He dislikes his school work and can be disruptive in the classroom. He loves noise and finds sitting still to be the ultimate challenge. Is he attention deficit? Is he hyperactive? Or could it be that he is simply a normal boy?  .....................

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