Katherine Center knows about love. And she definitely knows love stories. She’s the New York Times bestselling author of many “laugh-and-cry” novels, including How to Walk Away, Things You Save in a Fire, The Bodyguard, her latest, Hello Stranger, and her next book, coming out this June, The Rom-Commers. The Netflix movie adaptation of her novel Happiness for Beginners — starring Ellie Kemper and Luke Grimes — hit the Global Top Ten in 81 countries, and the movie of her novel The Lost Husband wa...