There are times when music is more important than dialogue; as a matter of fact, no dialogue would be as effective as this music with absolutely no dialogue. There is love, and there is "I will kill for you, I will die for you", kind of love. This particular scene in this movie expresses that kind of love, with absolutely no dialogue, just the music.
https://www.youtube.com/watch?v=1OKQdp6iGUk
https://www.youtube.com/watch?v=sjURPebrbrY
Enjoy the music.