Actor Bruce Willis, left, and his wife Emma Heming Willis attend the premiere of "Glass" in New York on Jan. 15, 2019. Heming Willis is working on a guide to care giving that draws upon her experiences tending to her husband who has been diagnosed with frontotemporal dementia. The book, currently untitled, is scheduled for 2025. (Photo by Evan Agostini/Invision/AP, File)