The deep issue and question for me is who was passionate by feelings of love and of life in this movie ? And the person that tips more the scale is the musician, but not totally as he did wrong choices from the beginning till the end. No, he was neither the alpha male in the movie nor that kind of man who knows how to get what he wants and desires from a woman's nature, and from life in general. He appears to be so impatient for the right convergence with that woman, and the necklace was a symbol to hurry up the whole situation, for buying time, hers and their common.
As I said above the husband for me was the worse of all. Because he replaced the PASSION of love with the PASSION of playing cards. Because he did not offer to his wife PASSION i.e. the passionate emotions for life and love. Such a stoic personality, as the husband was, is not be able to offer true feelings and vibrating the emotions of a woman... any woman actually. A scene that he was asked by his wife to not play cards for a night does not show to me that he was passionate of love for his wife, and my impression is that this was from the first days or months in their common life, and till the end. For this his wife chose for cheating on him.
Slowly and by the personality of his husband this wife became an emotionally cold woman, a woman that was frighten to recognize her feelings, to the extent to not be passionate neither with the musician.
Sorry, but I am not totally in favor with the wife too. She was an emotionally cold and non passionate one, and to commit suicide for ending her life was the evidence. If someone feels the nothing, in the end, prefers the nothing. Because as far as I know when a woman is a true female nature, and when she is in love, she turns upside down the whole world to be with the one she loves.
Did you ever seen in your life a passionate from love woman ? She is doing like a singing and dancing volcano
and as that song says :
I am a woman in love and I do anything
To get you into my world and hold you within
It's a right, I defend
Over and over again
What do I do...
However, this fatalistic woman who has been stuck to the abstract goal of virtue, with her choices and her fears, led her for not being able to recognize her feelings and emotions, and in the end, she not only destroyed herself, but another man, and especially the musician who killed another person for her. His husband as he was a stoic apathetic nature, he was living in total ignorance by the goal of virtue, and the playing cards was to cover his illusions and his subordination to his job, to his master and to life in general. The only that was vibrating his emotions was the playing of cards, and a spectacle in a circus (what a miserable spectacle with enslaved animals that is preferred by miserable personalities indeed). The last scene with the husband breaking his wife's picture and leaving it on the floor, was the right scene to show us how miserable and apathetic personality he was.
My conclusion is : the Musician's action to offer to this woman, and from the first moments of their meetings, such an expensive gift was the first his wrong doing. Their first meetings were based on a thing, and not in passion of love and pleasurable or painful conversations for their past, their present and a perceptiveness of a future. Such expensive gifts do not lead to true feelings of love, and I'm positive about that. The bird inside the cave was a symbol of the enslavement of all, and the expensive necklace was the symbol of a thing that as expensive as it is...it was not able enough to replace true passionate feelings of love. All the persons in this movie were all disturbed, they did not feel true joy and pleasure, and they were choosing the NOTHING. All they were dead as the bird in the cave.
Thus, for the end for this movie we have the final ES 81. "The disturbance of the soul cannot be ended nor true joy created either by the possession of the greatest wealth or by honor and respect in the eyes of the mob or by anything else that is associated with or caused by unlimited desire".