Why might Marcovaldo not go to the restaurant and order the fish to eat?

Marcovaldo might choose not to go to the restaurant for several reasons, such as financial constraints or a desire to save money. He could also be disillusioned by the quality of food served in restaurants, preferring the simplicity of home-cooked meals. Additionally, he might have personal or social reasons, such as feeling out of place in a restaurant setting. Ultimately, his decision reflects his broader struggles and values.