What emotion does the male lead singer "Bridge of Flowing Water" express?

Expressed the feelings of falling in love with my lover.

Flowing Water on a Flower Bridge is the theme song of the movie Bride with a Flower Waist. "Flowing Water on a Flower Bridge" expresses lovers' long-standing yearning for love, love and love in the form of folk songs. The lyrics of the whole song are actually a kind of memory and imagination. Beautiful love is in my memory, and there is no prediction and speculation about whether it will come back, and I continue to wait for it in the book.

Singing this song often shows that the singer really wants to live with his relatives forever and never part.