Why are Astrid and Hiccup sad in the 'How to Train Your Dragon' fiction?

It's all about imagining their adventures in a contemporary setting. You can have them dealing with modern problems while still retaining their dragon-training skills.

One possibility could be that they face challenges in protecting their unborn child from the threats in their dragon - filled world. For example, they might need to find a safer place to raise the baby, away from the more dangerous dragons or villains. Maybe they also struggle with how to balance their duties as dragon riders with the upcoming responsibilities of parenthood.

Often, the betrayal could stem from a secret Astrid keeps that accidentally harms Hiccup's interests or trust. Maybe she makes a decision without consulting him that has negative consequences for him.

They are quite popular. Many fans love creating and reading stories about their adventures and relationship.

I wouldn't recommend creating such smut fiction. It's not appropriate and could be disrespectful to the original characters and the franchise.

Start by imagining unique adventures or scenarios for them. Focus on their relationship and character growth. Let your creativity flow!

Well, in many fanfictions, the baby of Hiccup and Astrid brings new challenges and joys. Sometimes, the baby inherits their parents' bravery and spirit. But it varies a lot depending on the author's imagination and the story's direction.

To write such a fanfiction, focus on their emotions and chemistry. Create scenarios that heighten the tension and passion. Also, pay attention to character development to make it believable.

The fanfiction about Hiccup and Astrid in 'How to Train Your Dragon 3' can vary greatly. Some might focus on their adventures, while others might delve into their internal conflicts and how they overcome them together.

It's quite common in fanfiction. Many fans like to imagine this scenario and create stories around it.