There's often the 'unaware John' trope. John may be oblivious to Sherlock's growing affection, thinking Sherlock is just being his overly - intense self. And a lot of these fanfictions play with the idea of Sherlock's internal struggle. He's trying to reconcile his new - found emotions with his rational mind.
One possible analysis is that it shows a different side of Sherlock. Usually, he is portrayed as very logical and detached, but in this fanfiction, falling in love with Molly allows for a more emotional and vulnerable Sherlock to emerge. It might explore how his brilliant mind copes with new, strong emotions.
The 'kidnapper falls in love with hostage' fanfiction often features the trope of transformation. The kidnapper, who was once seen as a purely villainous figure, starts to transform due to love. They may become more empathetic and caring towards the hostage. The hostage, on the other hand, might experience a transformation in their perception of the kidnapper. Another plot trope is the secrecy and the world - building around their relationship. Since it's a relationship that cannot be easily accepted, they have to keep it a secret, which leads to many tense and emotional moments. And there's the trope of the external threat. Other forces, like the police or the kidnapper's former associates, may pose a threat to their relationship, further complicating the plot.
The 'slow - burn romance' is really common. It takes time for John to fully accept Sherlock as a vampire and for their relationship to develop into a romantic one. Also, the 'discovery' trope is often used. John discovers Sherlock's vampire nature in different ways, like stumbling upon him feeding or noticing his inhuman abilities. This leads to a lot of interesting plot developments as John has to come to terms with it.
Another good one is 'Love in the Shadows of Baker Street'. It has a unique take on how Sherlock's feelings develop for John. It also has some really interesting side characters that add depth to the story.
Well, the 'enemies to lovers' trope can be quite common. Thranduil could initially dislike someone who then turns out to be his love interest. For example, if it's a character from a group that has had past conflicts with his people. Also, the 'reformed bad boy' trope might work. Thranduil might be seen as cold or aloof, but through the power of love, he softens and becomes a better version of himself. And there's the 'fated love' trope, as if the stars have aligned for them to be together.
There's also the 'fish - out - - of - water' trope. Kagome, being from the modern world, has a different set of values and behaviors compared to the feudal - era characters. Sesshomaru might be both fascinated and confused by her, which adds an interesting dynamic to their relationship. And the 'love - triangle' trope can sometimes be incorporated, with other characters vying for Kagome's attention, which makes Sesshomaru more determined to win her over.
Well, it's because the relationship between Sherlock and John in the original series has a great deal of chemistry. Fans love to explore the 'what - ifs' of them being in love.
Popular sherlock and john fanfiction often has strong characterizations. It stays true to the essence of Sherlock and John from the original series. The relationship between them is a key focus, whether it's a deep friendship or something more romantic. Also, a good mystery or adventure element is common, as it was a big part of the original Sherlock Holmes stories.
In 'natsu falls in love with lucy fanfiction', the author might focus on building the relationship gradually. They could start from small interactions that gradually grow into deeper feelings. For example, they might describe how Natsu starts to notice Lucy's little quirks and how those things become endearing to him, leading to his love for her.
A common trope in Gravity Falls dipper and wendy fanfiction is the 'coming - of - age' aspect. Dipper is on the verge of growing up and his relationship with Wendy is part of that journey. Also, the 'mentor - mentee' trope can be seen, with Wendy being more experienced and teaching Dipper things about the town and its mysteries. There's also the 'love triangle' trope sometimes, where another character might be interested in either Dipper or Wendy, adding more drama to the story.