Agnes, she was David' s second wife, as to David, She means home that is the best shelter he can get when he is alone. The book describes her relations with two men. The first was her father, Mr. Wickfield. After Agnes’ mother died, her father brought her up alone, she is very filial to her father. For example, although she would like to go to school, but her father did not want her to go, she finally listened to her father's words. The second was David, they are good friends who have been together since childhood, they support each other on the way of life, it can be said that to some extent, Agnes is the counselor of David' s life, she helped David through a lot of thorns and brought endless hope to him, no doubt their marriage is the best