The Virgin heroine and the selfish hero fell in love and changed each other. In order to take care of the heroine's emotions, the hero became less selfish and snobbish, integrated better with society, and gained a better reputation.
The heroine has become more concerned about herself for the hero. She no longer cares about her life and reputation, and her love for Karl. Karl's love for her is like the rope tying a balloon, truly binding her to this world.
Demining: The male protagonist is Carl Hockley from Titanic, the setting follows the movie, non-c, not a good guy, no beautification, please proceed with caution
The male and female protagonists are indeed attracted to Carl and Ruth even though they have not broken off their engagement, and they are very cautious about entering into the engagement relationship. Strictly speaking, the female protagonist is indeed the third party, but I hope everyone will consider it based on the plot and mind not entering by mistake. Thank you.
Intention: Change each other and learn to understand