It's not until he looks up and sees the sun that he learns hunger; Sanzo takes him by the hand and leads him off the mountain and feeds him. As he devours, as he tears into the food with a stomach wakening again to need, Sanzo has few kind words.

Goku basks in the violence, basks in the smack upside the head and the verbal abuse; it feeds something in him that has been emptier than his belly.