What is Rex Walls' problem in the story and how does he resolve it?

Jeannette’s father. Jeannette describes him as smelling like cigarettes, whisky, and hair tonic. Rex invents credentials in order to get jobs, which he never keeps for long. A dreamer, Mr. Walls creates many fantastical stories to explain realities of life to his children. For instance, when they have to move because of bill collectors, Rex instead tells his children that they are being chased by FBI agents. Rex is plagued by drunkenness and gambling addictions. His conflicts are largely internal internal which he never really resolves.