Imagine that the person you loved – the person you planned to spend the rest of your life with – wasn’t who you thought they were. That’s what happened to Abby Ellin, who joins host Krys Boyd to talk about what it’s like to have your life turned upside down by a duplicitous partner, which she writes about in “Duped: Double Lives, False Identities, and the Con Man I Almost Married” (PublicAffairs).