What kind of feelings does Moonlight Serenade express?

I miss my lover alone. "Moon Serenade" describes a person sitting alone in the window at night, looking at the moon outside the window, recalling the good times with his lover before, and his heart is full of endless thoughts and sadness.

In the lyrics, "Sleepless night, I still look at the stars in the sky, and I still hear the violin crying and teasing again", which depicts a person leaning against the window alone, listening to the sound of the violin and missing his lover in the distance.

The lyrics "But my heart is still occupied by her, and she still doesn't speak like this moon" express a person's deep thoughts and attachment to his lover. Even if his lover is not around, his heart is still occupied by her, and she is like the moon, silently accompanying him.