Why does Rex tell his family that he has lost his job?

Rex tells his family that he has lost his job to maintain an illusion of stability and to avoid confronting the reality of their financial situation. By framing his job loss in a way that downplays its significance, he attempts to shield them from worry and keep up appearances. This decision reflects his struggle with pride and responsibility, as he grApples with feelings of failure while trying to protect his family's sense of security. Ultimately, it highlights the complexities of his character and the pressures he feels as a provider.