What change came over grandmother when the author returned home from abroad ?

When the author returned from abroad, a sudden change came over her. She got a dilapidated drum and started singing songs about the homecoming of warriors. The author and his family had to force her in order to stop her from overstraining. During this period , she also gave up her praying. As a result of overstraining, she was affected by a mild fever. While the doctor assured them that it would pass, Grandmother believed that her end was near. She refused to talk to them and prayed to her life's end.