Another theme could be sacrifice. Truly loving someone might mean sacrificing your own desires at times. Say, giving up a job opportunity in a far - away place because you don't want to be apart from the person you love.
Growth is also a likely theme. When you love someone so fully, you grow as a person. You learn to communicate better, resolve conflicts, and become more empathetic towards others as a result of the relationship.
Growth could be another theme. As the characters experience love, they also grow as individuals. Their perspectives change and they learn more about themselves and what they want in life, all intertwined with the love story.
The main themes could include the exploration of different types of love. There could be passionate love which is like a high temperature, and then a more platonic or friendly love which is like a milder temperature. Another theme might be about the importance of communication in maintaining the right 'temperature' of love. If characters communicate well, they can keep their love at a comfortable 'temperature', but if not, it can lead to a drop or an overheating of the relationship.
One main theme could be the struggle between love and pain. Since it's 'Love in Sadness', there is likely a constant battle within the characters as they try to hold on to their love while dealing with the sadness.
One main theme could be courage. Since it's about 'daring' to love, the characters must find the courage to face their emotions, whether it's fear of rejection or fear of the unknown. Another theme might be self - discovery. Through the process of daring to love, the characters often learn more about themselves, their desires and what they are truly capable of.
One main theme could be the confusion between lust and love. People often mistake their strong physical desires for love at the beginning.
Another theme could be self - discovery. As the story progresses, the characters might learn more about themselves through their experiences with love and its fallacies. They may realize their own flaws in how they approach relationships.
One main theme could be forbidden love. Since it's a secret love, there are likely barriers that make the relationship not publicly acceptable. Another theme might be sacrifice. The lovers may have to sacrifice certain things, like their public image or relationships with others, to keep their love a secret.
Since I'm not aware of the 'punished by his love full story', it's difficult to say what the main themes are. It could be about love, regret, or some kind of emotional struggle perhaps, but this is just speculation.
One of the main themes is love, of course. It shows different forms of love - unrequited, obsessive, and true love that endures over time. Another theme is time. The passage of years and how it affects the characters and their relationships is significant. Also, the cholera epidemic serves as a backdrop, representing both the chaos and the possibility of new beginnings in life.
The main themes include transformation. Elizabeth changed a great deal from the start to the end of her journey. Also, the theme of cultural exploration is significant. She experienced different cultures in Italy, India, and Bali, which had a huge impact on her growth. And the theme of letting go of the past is there too. She had to release old pain and expectations to move forward in her life.
Love is likely to be a main theme. Since it's called 'Timeless Love', it probably emphasizes the endurance and constancy of love over time.