The 2 Strings can be interpreted as the two characters while in the book who get married. The strings overlap briefly, but then go their individual ways over again. (which will likely be unique than what they in the beginning choose to see). Then I will come back with Concepts https://maplepublishers.com/blog/what-to-do-before-you-opt-for-ebook-conversion-while-self-publish-your-book/