What is the point of the end of the story

Ferdinand Horn and his wife visit to offer their condolences. The narrator then struggles, with the help of Bird, to free a cow that is lying on its side in mud. The cow is freed, but the effort kills Bird.

The next day, Teresa, Lame Bull, and the narrator bury the old lady. The narrator's thoughts stray to his future. He will have to see a doctor about his injured knee. He also thinks he may start again with Agnes and perhaps even marry her.