Isaac Newton hears his parents screaming at each other one afternoon Mrs. Newton: ""I've had enough of this. I want a divorce!"" Mr. Newton: ""But why?"" Mrs. Newton: ""Do you think I don't know about the other women? How stupid are you? I can see the tramp's lipstick on your cheek."" Mr. Newton touches his cheek, a perplexed look on his face. Isaac, saddened by their fighting, runs out the door. He's soon sitting in an orchard, taking shelter beneath an apple tree. He thinks he's finally found …