Sure is. Nick Yarris' story has been verified through various means and is based on his actual life events. There's plenty of evidence to support its authenticity.
Well, it's a bit of a mixed bag. Some aspects of Nick Yarris' story might be based on real events, but there could also be some embellishments for dramatic effect.
I'm not sure who Nick Yarris specifically is. There could be many people with that name. Maybe he is a local figure in a certain community or has a personal story that is not widely known without more context.
Sorry, I don't have enough information to tell his story briefly. As mentioned before, without more context, it's difficult to say what his real story is.
Judy is often shown as the one who is more idealistic in fanfic. She dreams big for Zootopia and wants to make it a better place for everyone. Nick is the realist. He helps Judy see the practical side of things. Their dynamic in fanfic is really interesting as they learn from each other. Nick teaches Judy about the underbelly of Zootopia while Judy shows Nick that there is good in the world worth fighting for.
They could be characters in a science - fiction setting. Nick could be an alien from a far - off planet who crash - landed on Earth, and Macy could be a scientist who is trying to help him get back home. As they work together, they develop a bond, and the kiss could be a way of showing their connection that transcends their different origins.
In the real Saint Nick story, the real Saint Nick was Saint Nicholas. He was a significant figure in early Christianity known for his acts of kindness and charity.