Why? Why? Why?

Leaenn: Mummy, why the shop is closed?
Mummy: Because the aunty went home and sleep.
Leaenn: Why the aunty went home and sleep?
Mummy: Because the aunty is tired.
Leaenn: Why the aunty is tired?
Mummy: Because the aunty has been working the whole day.
Leaenn: Why the aunty has been working the whole day?
Mummy: Because the aunty needs to earn money.
Leaenn: Why the aunty needs to earn money?
Mummy: Because the aunty needs money to buy food to eat.
Leaenn: Why aunty needs to buy food to eat?
Mummy: Because the aunty is hungry.
Leaenn: Why the aunty is hungry?
Mummy: Because the aunty is like Leaenn, always hungry.
Leaenn: Why the aunty like En En?
Mummy (gave up liao): I don't know.
Leaenn (frowning): Why you don't know!!!!!