If you ask them what their favorite book is, and they say “none,’ or “I don’t know,” then perhaps it’s time to reevaluate what you’re doing, or who you’re investing your time in. A book tells a lot about a person’s personality, life experiences, and what they want out of life.
You could see someone through that question. Well if that person loves to real romantic things then for sure he or she is a romantic person. You would get an idea on what that person is such as likes, hobbies and lots of things.