This is an interesting topic to tackle here, because realism in expansion writing is almost counter-intuitive in some ways. But hear me out, as it does have a place within the genre.
Now, when most people read expansion writing, they're looking for a certain something with their main character. Some want the character to love it, others don't. Some want the characters to egg expansion on, some want them to run away from it. That varies by person and by creator. But each of those scenarios should contain realism. There needs to be a realistic reason as to why a woman would want to expand herself, otherwise things start to fall apart.
And again, not everyone is focusing on realism when they read stories. There are times I let realism fall to the side if I enjoy the story enough. But if characters start slipping and start just acting erratically or without any logic or sense, it can start to get frustrating for many people. So how do we make characters realistic within an expansion settin