It's good to do different things sometimes.
Kevin's wife is sick and Kevin decides to do the cooking until she recovers.
Kevin wants to cook meals.
Kevin gets a cookbook and experiments with some of the recipes in there.
Kevin cooks a large batch of lasagna, freezes it, and has it for every meal of the day.
Kevin's wife enjoys the different recipes and makes a good recovery.
Kevin's wife gets sick of lasagna, prolonging her recovery as she hardly eats anything.