Bruce Willis and wife Emma Heming Willis at the 57th New York Film Festival on Oct. 11, 2019, in New York City. (Theo Wargo/Getty Images for Film at Lincoln Center)Since learning of husband Bruce Willis's frontotemporal dementia (FTD) diagnosis in 2022, Emma Heming Willis has been navigating the grief of it all. Emma, 47, whose new book, The Unexpected Journey: Finding Strength, Hope, and Yourself on the Caregiving Path, comes out on Tuesday, was unsure how to process the newfound information.