J.K. Rowling admitted once that Hermione and Ron's relationship in Harry Potter shouldn't have happened, and that Ron could never make Hermione happy.
The biggest struggle I had, and have seen other writers struggle with, is keeping the two worlds balanced. The main character Interference is Thalia Grace from the Percy Jackson and the Olympian series. By the time of the story, she's been immortal for a while now, and challenging her while keeping her as skilled as she should be was challenging.
Post your answer in the comments below, and I'll tell you what Hogwarts house you're in!
Recently, while obsessively playing Disney songs on repeat, I started to notice that Disney tends to use repetition in the lyrics of different songs to show character and plot development.