I am so sorry and understand how painful all this is. I lost my father very rapidly. His dementia took him quickly. Now, my mom has dementia. It is slower, but over the last year has progressed and her short term memory is horrible. Conversations several times a day that she does not remember. I know that you can relate to this. Hold that red book memory close and maybe even keep reminding her of this. It seems people with dementia remember very old memories. My mom can tell me stories of old memories. If you find those, bring them up daily. Be sure and take care of yourself. I know that I am struggling with losing the woman that she has always been. Please keep sharing here. It helps me and probably others dealing with similar situations. Thinking of you this morning.