My first impression is: when you become dangereous to yourself and others, but that is assuming you still have your mind. Some days I watch myself and become cautious about what I do, but then I forget and move on, and do things that again remind me. I joke to myself that I am fine as long as I can wipe my own butt, but as I see my forgetfulness growing I wonder what is relevant, Losing my mind, undercooking food as well as overcooking food, lately we eat a lot of charcoal, but it lets me know that someday I may forget there is food on the stove. I think? but dont know for sure, that some states have measures for voluntary hospice. If you are really curious you can call a local hospice and chat with a social worker, just as people preplan their own funerals before they become dependent upon others.I decided to save my family a lot of money by donating me to a research hospital, they will keep my body for two years then offer what is left to the family if they want to bury me or they will cremate me, ads say I am saving the kids at least eight grand.We live on a farm and I do a little of the upkeep so it is very easy for me to see the mental deterioration, driving off cliffs, leaving engines on, easy stuff that shows me how dangerous i am getting.Nowadays the world is letting us choose when we want to leave this planet, and choose how much suffering we think is enough, what do you think.