From yesterday's Guardian, an extract from a book by journalist Nicci Gerrard whose father had dementia. Her book is called What Dementia teaches Us About Love
https://www.theguardian.com/society/2019/mar/16/dementia-plague-time-nicci-gerrard-extract-what-dementia-teaches-us-about-love
https://www.theguardian.com/society/2019/mar/16/dementia-plague-time-nicci-gerrard-extract-what-dementia-teaches-us-about-love