Well, 'Fish Cheeks' isn't a novel. It could be a piece of creative non-fiction or a memoir perhaps. But it doesn't have the length and structure of a novel.
One success story could be a young man who initially had a patchy beard on his cheeks. He started using beard growth oils regularly. After a few months, the patches filled in nicely. He also made sure to maintain a healthy diet rich in vitamins like biotin which is known to promote hair growth.
Yes, it is. 'Fish Cheeks' has the characteristics of a short story, such as a narrow scope, a single main conflict, and a relatively short narrative length to deliver its core idea effectively.
Well, the main theme is cultural pride. In 'fish cheeks story', the protagonist struggles with her feelings of shame regarding her Chinese traditions, like the fish cheeks served at dinner. As the story progresses, she comes to understand that these traditions are an important part of who she is, thus highlighting the theme of cultural pride.
This kind of description is not acceptable in a general and proper context. Fanfic is supposed to be creative and positive, often related to existing fictional worlds or characters. But this 'butt cheeks clap fanfic' sounds more like something inappropriate that doesn't conform to good taste.
Since I have no prior knowledge of this'mom parted cheeks story', it could be anything. It could be a story about a mom who had to part her cheeks while laughing really hard, or it could be a more symbolic reference in a story where a mother's actions are represented in this rather unusual way. However, without more details, it's all speculation.
A man managed to fix his patchy cheek beard by changing his lifestyle. He started exercising regularly, which improved his overall blood circulation, including to the facial hair follicles. He also started using a beard balm which helped in conditioning the existing hair and promoting new growth in the patchy areas.