It depends. Some platforms allow it with proper credits or under certain conditions. However, for others, it might violate their terms of use. So, it's important to check the rules of the specific platform you're using.
Well, without having read the 'chris crossed wyatt sent somebody else fanfic', it's hard to say exactly. It might be a story that focuses on the dynamics between these characters. For example, if it's a fanfic set in a particular fictional universe, perhaps Wyatt sends this other person to help or hinder Chris in some mission or personal journey within that universe.
Not sure exactly what you mean by that. Maybe it's about a scene where a toy realizes they are loved and it has a significant impact on the story. But without further clarification, it's hard to say for sure.
Well, it's possible. Fan fiction authors have certain rights over their creations. If you copy their work, it depends on various factors like if they have explicitly stated it's not to be copied, or if they hold some form of copyright (even if it's a bit more complex in the fan - fic world). In many cases, if you use their work without permission, they could take legal action against you.
There are various stories that can be associated with 'all fear'. One common type is the fear of the dark. In many children's stories, the dark is depicted as a place full of danger and mystery. This could be because our vision is limited in the dark, and we can't easily detect potential threats. Another aspect could be the fear of losing loved ones, which is a common theme in many sad or tragic stories. These stories often show how people react when faced with the possibility or reality of separation from those they care about.
It's very possible. Fan fiction is protected by copyright laws to some extent. If the original author believes their rights have been violated by your copying, they have the right to take legal steps against you.
Since I'm not aware of the exact nature of this 'chris crossed wyatt sent somebody else fanfic', it's difficult to recommend similar ones. However, if it's about certain character relationships, you could look for fanfics that have similar relationship - based plots in the same fictional world or with similar character archetypes.