It was worrisome for us. My father-in-law got to the point where he had to disconnect spark plugs every time he parked the car in case his wife found the keys and tried to drive away. One time when they went out for lunch, he got up to use the restroom and she grabbed the car keys off the table and left him stranded at the restaurant. She didn’t have her mental faculties together because of the dementia so we were concerned that she might cause an accident or drive the wrong way on a freeway and kill somebody. She died a couple years ago of natural causes and fortunately her driving excursions, though very concerning, were accident-free.
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