You can try fanfiction websites like Archive of Our Own (AO3). It has a large collection of fan - created stories from various fandoms, including those about Tris and Zeke. Just use the search function on the site and type in 'Tris and Zeke' to find relevant fanfictions.
There are fanfictions where Tris and Zeke are part of a team on a secret mission. In these stories, they often have to rely on each other's strengths. For example, Tris's courage and Zeke's strategic thinking can combine to help the team succeed. Some fanfictions also explore their backstories, like how they grew up and what led them to become the characters we know, which adds depth to their relationship in the fan - created stories.
Survival can be a theme too. If they are in a dangerous situation, the fanfiction might focus on how they survive together. Their reliance on each other in such tough situations shows the strength of their relationship. Additionally, the theme of self - discovery is also seen. As they face different challenges, they learn more about themselves and each other.
In this type of fanfiction, it could be a really interesting scenario. Four might be nervous when meeting Tris' parents. Maybe he'd try to impress them with his skills and strength. He could be worried about living up to their expectations for Tris' partner.
It could be her family. Her parents, if they are understanding, might step in to help with the baby so that Tris can still focus on her studies to some extent. Or perhaps an older sibling who has been through similar situations or is just very caring.
One possible plot could be that they initially face a lot of shock and disbelief. Their friends and family have mixed reactions. Some are supportive, while others are worried about how it will affect their future, especially their dreams in the entertainment world. They then start to plan for the baby, with Zeke being really protective of Sharpay.