Pedro promised his brother that he'd let him play video games with him and his friend, but he used a sarcastic tone and rolled his eyes at his friend to show that he didn't really mean it. Pedro's verbal and nonverbal messages were .

London includes a quote about john thornton as he is observing hal attempt to motivate the exhausted dogs "it was idle, he knew, to get between a fool and his folly". if the word "idle" is defined as "of no real worth, importance, or significance", what does this statement mean with regard to hal? who is the fool? what is hal's folly? why would john thornton think it of no real worth or useless to intervene?