Emma Heming Willis found new ways to communicate with husband Bruce Willis after his frontotemporal dementia diagnosis. In her book, The Unexpected Journey: Finding Strength, Hope, and Yourself on the Caregiving Path, Heming Willis, 49, details the impact the disease has had on her husband linguistically. (FTD's most common symptoms include "struggles with decision-making, movement, speaking or language comprehension," per the Association for Frontotemporal Degeneration.