compare & contrast - Personalities Changes

  Mr. Green has different personalities,in the beginning  he was very happy and respectfull to others. But then as he worked as a cop , a terrible accident took its toll. A cop shot a boy with no rights. Mr. Green then testified , that then led him to quiting his job. He then became depressed he sat near the window most of the  time. He commited suicide , and tried to kill himself. In the end of the book he returned to his normal self, realizing life was worth living.