There are fanfictions that focus on his relationships within the Avatar universe. For example, his interactions with his subordinates and how those relationships evolve over time. This can add a lot of depth to his character.
Love against all odds is also prevalent. Since they are from different worlds in a sense, the idea of their love overcoming cultural and species differences is often explored. It makes for a very interesting dynamic as they face opposition from various sides.
Check out fanfiction communities dedicated to the Avatar franchise. People there often share and recommend good 'miles quaritch fanfiction'. They might also have forums where you can ask for specific types of stories about him.
There's also a possibility that Jake is just an ordinary person in the fanfiction world who has been given this extraordinary ability to imprint. This could make his character development really interesting as he has to deal with the consequences of this sudden and powerful connection to the reader. He might struggle with understanding his new feelings and how to act on them in a world that may not be used to such a thing.
One popular fanfiction might be 'Miles Quaritch's Redemption' where the relationship between Miles Quaritch and the reader develops in a post - Pandora conflict setting. It delves deep into his character transformation and how the reader impacts it.
In terms of his self - esteem, it could take a hit. He might start to question himself and wonder what he did wrong. However, over time, if he focuses on self - improvement and moving forward, he can regain his confidence and build a new life for himself, whether that's alone or with someone new in the future.
I haven't come across any reports stating that Jake Tapper is penning a novel. His focus seems to be on his journalistic endeavors, such as reporting the news, conducting interviews, and providing analysis. However, it's not impossible for him to venture into novel - writing in the future, but for now, there's no indication of it.