Love the One You're With

How do you know if you've found the one? Can you really love the one you're with when you can't forget the one who got away?

Emily Giffin, author of the New York Times bestselling novels Something Borrowed, Something Blue, and Baby Proof, poses these questions—and many more—with her highly anticipated, thought-provoking new novel Love the One You're With.

Ellen and Andy's first year of marriage doesn't just seem perfect, it is perfect. There is no question how deep their devotion is, and ho...