Liz Fosslien and Mollie West Duffy are coauthors of the book Big Feelings: How to Be Okay When Things Are Not Okay, and they share research-backed advice on how to do just that. ALISON BEARD: We’ve talked a lot about sort of what we can do to help ourselves when we’re feeling these big feelings. ALISON BEARD: That was Liz Fosslien and Mollie West Duffy, coauthors of the book, Big Feelings: How to Be Okay When Things Are Not Okay.