My doctor also tells me I am his healthiest 90 year old patient. I do wonder how many he has. I also know (more or less) another language which was spoken in my home. My parents were immigrants. I watch the news, painful as it is, because it is important to really know what is happening. I read a lot. And of course the old standard, doing crossword puzzles. So far I do not seem to show any signs of dementia. I lose a word now and then, but it comes back. When it doesn't, I will start to worry. According to Cleveland Clinic, the body does start to deteriorate in the 90's, where I am. So even though I am fine today, no one can predict what is in store for tomorrow.