It is sad.Dementia is a tough disease to deal with. My mom was diagnosed with it a couple of years ago and it is tough to see someone you love change from day to day and they believe nothing is wrong.Equally as tough knowing that she can't enjoy watching my 18 month old grow up(I am an only child and he is my only child) because she forgets from day to day what he does and sometimes she starts arguments for no reason and we don't want that around our son. It is so so sad