Most platforms do not allow for the distribution of erotic fanfiction. Archie Comics are aimed at a wide audience, including younger readers, and such inappropriate content goes against the spirit of the original property.
Writing and distributing erotic fan fiction is often against the terms of use of the original intellectual property and can also be considered inappropriate. So, I don't recommend seeking such content.
Yes, Dark Betty did exist. She was often a departure from the typical portrayal of Betty, bringing a darker and more mysterious element to the comic series. Her appearance and character traits were designed to surprise and intrigue readers.
No, Betty isn't insane. She's often shown as a kind, friendly, and sensible person in the comic series. Her actions and behaviors are typical of a normal character.
It's a bit complicated. Sometimes Archie and Betty have romantic moments, but their relationship status often fluctuates. Different comic arcs present different scenarios for them.
Once upon a time, Archie and Betty joined a school project together. They were tasked with creating a mural for the school hall. Betty was great at drawing and Archie had a good sense of colors. They worked side by side, brainstorming ideas. Betty sketched out the design, and Archie carefully painted it. Through their cooperation, they created a wonderful mural that everyone in the school adored.
There are many fanfiction stories that focus on Archie and Betty's friendship. For example, stories where they team up to solve a mystery in their small town. These types of stories capture the essence of their characters as seen in the Archie Comics and are suitable for all ages.