What is the author's purpose to write the following paragraph?

Alonzo winked at his mother's shocked gaze and with a grin quipped, "Sausage and pepperoni pizza for breakfast makes perfect sense. Allow me to demonstrate. You have your tomato. Tomato is technically a fruit. You have your cheese. Cheese is a dairy product. You have your crust—necessary carbs for quick energy in the morning. And don't forget the sausage and pepperoni—my protein. If you think about it, it's just like bacon and eggs, toast, and orange juice." Still grinning, he added, "Really it is. Well, almost. Why are you looking at me that way?"