The theme of eternal love is also prevalent. Since they are part of the supernatural world in the original story, their love in fanfiction is often depicted as something that can last through eternity, and the 'I love you' is a promise of that never - ending love.
One common theme is the struggle between good and evil within Damon. Since he has a dark past, many fanfictions explore how he tries to be a better person for Elena. Another theme is the power of their love. Their love is often depicted as something that can overcome any obstacle.
Well, a frequent theme is the exploration of Damon's intense love. It could be about how his love changes him, makes him more human. Also, there's the theme of redemption through love. Elena might be the catalyst for Damon's redemption in many stories. And of course, the theme of loyalty in their relationship is also quite common.
One common theme is the exploration of their intense and passionate love. Writers often focus on the emotional depth of their relationship.
Another theme is the overcoming of obstacles. Their relationship has had many hurdles, and in these fanfictions, their first time can be seen as a victory over all the things that tried to keep them apart, like the differences in their personalities and their past relationships.
Love and sacrifice are also common themes. Stefan and Damon both love Elena deeply and are willing to make sacrifices for her. This could range from giving up their own power to save her life. And there's also the theme of redemption. Damon, who has a darker past, might be on a path of redemption because of Elena's influence. He tries to be a better person, which creates an interesting dynamic in the fanfics.
Another theme could be the development of their relationship. It might start from Damon's unrequited love and then gradually develop into a mutual and deep love. Writers may show different stages of their emotional journey.
Love and family are common themes. Their love for each other deepens as they anticipate the arrival of their baby. Family also plays a big role as they think about how their families will react and how they will create a new family unit.
I think Stefan can be a really liked character in these fanfictions even though he's in a bit of a love triangle situation. His complex relationship with Damon and his past with Elena make him an interesting addition. He might be shown as still caring for Elena but also coming to terms with her love for Damon. Also, Alaric is a character that many fans like. He can act as a mentor or a voice of reason in the fanfiction, and his relationship with Damon and Elena can be explored in different ways.
One common theme is the forbidden love aspect. Since they come from different fictional universes, their relationship is often seen as something that goes against the norm. Another theme is the power of love to change them. Damon might become more gentle, and Bella might become more confident in their relationship.
One common theme is redemption. Damon has a complex past, and in many fanfictions, his love for someone helps him seek redemption. His love is often seen as a catalyst for him to become a better person.