They would have to communicate more openly. For example, they'd need to talk about their fears and hopes for the future with the baby. There might be some disagreements, like how to raise the child or what kind of life they want for it. But overall, their love would grow deeper as they share this new experience. Jonathan might become more protective, and Nancy could become more nurturing, which would be new aspects of their relationship.
A plot could revolve around their families' reactions. Nancy's parents might be initially disappointed as she was on a different path before, and Jonathan's family could be both excited and worried about how they'll manage. They could also show their strong bond by preparing for the baby together, like fixing up a nursery in a really creative way, using things they find around town.
The theme of trust is quite prevalent. Given the dangerous situations they face in the show, fanfictions build on that and show how their trust in each other evolves. There are also stories that focus on their individual growth within the relationship. Nancy might become more confident in her choices, and Jonathan might become more open about his feelings, all while being in a relationship with each other.
One common theme is their shared experiences in Hawkins. They both have been through a lot in that town, and fanfictions often explore how those experiences bind them closer.
In the fanfic, their relationship could develop as they face the reactions of their friends and family. Some might be overjoyed, while others could be skeptical or even disapproving. How they handle these external pressures together can bring them closer or cause some friction, which all adds to the complexity and growth of their relationship.
Another plot could be that they discover some unexpected powers or abilities related to the pregnancy. For example, Nancy might start having premonitions about the baby's future or Jonathan could sense danger more acutely to protect his family. They then have to figure out how to use these new abilities while keeping them a secret from others.
One great 'Stranger Things' Nancy and Jonathan fanfiction is 'The Hawkins Adventure'. It beautifully captures their relationship dynamics, from their initial awkwardness to their deep connection. The story has them facing new threats in Hawkins that weren't part of the main show, which makes it really exciting.
Another theme is the exploration of their deepening feelings. As they get to know each other more, their kisses mark different stages of their relationship growth. For example, a first hesitant kiss might be different from a more confident, passionate one later on.
One common theme is the discovery of love. They might start as friends or just acquaintances, and through various events, they discover their love for each other which is then expressed through a kiss.
Sure. You can check out Archive of Our Own (AO3). There are tons of Nancy and Jonathan fanfictions there. Some popular ones often explore their relationship post - events in the Stranger Things series, like how they deal with the Upside Down's after - effects together.