What can you infer about Kitty and Charlie’s relationship? Why?

When no acceptable suitor was forthcoming, she deigned to marry Water Fane, an introverted scientist. Disgusted with this marriage, Kitty has an affair with the handsome Charles Townsend. When Walter discovers this, he forces Kitty to accompany him to a cholera epidemic in central China. is a man in his forties, and is quite vain and shallow. Both Kitty and Charlie see suited for each other. Both value social appearance and artifice. They do not wish to put in the work or commitment expected for marriage.