The days of youth and frivolity are over, and we are no longer the same selves we once were.
"You say I'm naive, yes, even I think I'm naive! I once couldn't eat or sleep for someone because I was afraid something would happen to him. I once watched international news every day for someone, and what makes me feel ashamed is that I'm seeing it now! I even went to every place he and I went to nervously... You're right, I'm childish! But why is that? It's not because I love you!"
"I never knew, I never knew. When I saw you living so well without me, my indifference made me unable to believe it. I felt that I was very narrow-minded, but I couldn't help it."
Time flies, the sun and the moon fly by, I love you more than before.