Friendship is also a big theme. They are often depicted as friends who support each other through thick and thin. In fanfictions, they might help each other out when one of them is facing a personal or professional crisis.
Adventure is another theme. Writers like to send them on exciting adventures across Equestria or even to other magical lands. This allows for exploration of new places and discovery of new things while also strengthening their relationship.
Another theme is competition. They are both excellent fliers, so many fanfics revolve around their competitions, like racing or aerial stunts. This can lead to some exciting storylines.
One common theme is friendship. Given that they are both characters from the MLP universe which highly values friendship, many fanfics explore how their friendship develops. Another theme is competition, as both are pegasi and might compete in flying races or other aerial challenges in the fanfics.
Friendship is a common theme. Rainbow Dash saving Soarin shows the depth of their friendship and how they are there for each other. It's about loyalty and support.
Romance is also a very popular theme. Fans like to imagine a relationship between them, whether it's a budding romance or a more established one. There could be stories about how they first fell in love, or how they deal with relationship problems. Another theme could be friendship. Their friendship is explored in depth, like how they support each other during tough times, or how they have fun together. They might compete in friendly flying competitions and strengthen their bond through that.
One common theme is adventure. They might go on some exciting quests together as humans. Another theme could be friendship evolving into love. Since they are often friends in the original context, the fanfics may explore how that relationship deepens in a human setting.
There are indeed some good ones. For example, there are fanfics that depict them in a racing context, with Rainbow Dash's speed and Soarin's skills complementing each other. These fanfics often show their friendly rivalry turning into a deeper understanding and friendship. You might also find ones where they team up to save the day from some sort of danger in the magical land of Equestria.
I'm not sure if there is specifically such fanfiction that is appropriate. Fanfiction can vary a great deal in terms of content and quality. You could try searching on some well - known fanfiction platforms, but be aware that you may need to filter through a lot of content to find something suitable.
There are quite a few out there. You can start by looking on popular fanfiction websites like Fimfiction. Some stories might focus on their relationship development leading up to the kiss, while others could be part of a more complex plot.
One possible storyline could be that Rainbow Dash and Soarin discover they are having a baby unexpectedly. They then have to deal with the reactions of their friends in Equestria. Some might be overjoyed, while others could be worried about how they'll manage their duties as parents while still being part of the Wonderbolts or other important tasks.
One great Rainbow Dash and Soarin love fanfiction is 'A Skyward Bond'. It beautifully depicts their relationship development from friendship to something more. The author does an excellent job of showing their shared love for flying and how that becomes a connection between them.