Would Rhea be spared of all the misery if she had been married to Shushant? A traditional Hindu South Indian marriage blessed with ‘mangal sutra’?

Because the significance of the mangala sutra was re-iterated by Adi Shankara in his famous book Soundarya Lahari. According to Hindu tradition, the mangala sutra is worn for the long life of the husband. As told by religious customs and social expectations, married women should wear mangala sutra throughout their life as it is believed that the practice enhances the well-being of her husband. – Source Wikipedia