Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Love is perhaps the most famous emotion. Stories of the triumph and tragedy of love fill books and movies. Love is a driving force in human behavior and interaction. This book takes a closer look at what causes love and the nature of the various stages of romantic relationships. Additionally, the book discusses the various types of love, all or some of which may be felt in any romantic relationship. Project Webster represents a new publishing paradigm, allowing disparate content sources to be curated into cohesive, relevant, and informative books. To date, this content has been curated from Wikipedia articles and images under Creative Commons licensing, although as Project Webster continues to increase in scope and dimension, more licensed and public domain content is being added. We believe books such as this represent a new and exciting lexicon in the sharing of human knowledge.