The Girl: You know why the sky is blue?
Kyun-woo: Because the reflection from the sunshine causes...
The Girl: Wrong! It's to make me happy. I wanted it to be blue, so it's blue. You know why fire is hot? It's all for me. I wanted it to be hot, so it's hot. You know why we have four seasons here in Korea?
Kyun-woo: For you?
The Girl: Correct.