Since you need the explanation, MAS was chuckling over the fact that an adult needed an "A-Ha!" moment to arrive at such a crazy epiphany, when normal, rational adults had this conclusion at a normal stage of human development.
Since you need the explanation, MAS was chuckling over the fact that an adult needed an "A-Ha!" moment to arrive at such a crazy epiphany, when normal, rational adults had this conclusion at a normal stage of human development.