In the fanfiction, Hiccup's exhaustion might be shown through his physical and mental state when interacting with Astrid. Maybe he's less energetic in their adventures or has more internal conflicts.
Well, it could be that Hiccup is depicted as tired from all the dragon-training and his relationship with Astrid adds an extra layer of stress, making him exhausted. Or it might be that they have gone through a tough mission together and it's taken a toll on him.
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.
In many fanfictions, Hiccup and Astrid's relationship is depicted as evolving and facing various external and internal conflicts that strengthen their bond. Some focus on their teamwork, while others explore their emotional connection on a deeper level.
In many fanfictions, Hiccup is often depicted as a courageous and resourceful hero, using his intelligence and compassion to overcome challenges.
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.
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.
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.
One way could be to have him get some much-needed rest and recovery time. Maybe he takes a nap or spends a day doing nothing but relaxing.
It could happen in various ways, like during a training accident or a misunderstanding that leads to a conflict.
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.
Start by imagining unique adventures or scenarios for them. Focus on their relationship and character growth. Let your creativity flow!