Thanks guys
I do try to do the best I can

The scared thing doesn't happen too often right now. Since she sleeps all morning, that gives dad a lot of time to do things, so she has NO idea he's even been gone.

Now that she is getting worse, dad will adapt to her new needs, so she doesn't get scared. We most likely wont medicate her to make her a veggie, its just not who we are. If she reaches full blown dementia & gets scared all the time, then thats prob when dad would medicate her into a veggie, so she wont live in a never ending nightmare.

My great grandmother lived in a never ending nightmare & she got hurt so many times, nearly broke her leg, then her arm She would cry everyday & non of her bloody kids (her, nor her kids share our blood, she married my widowed grandfather's dad) would visit her, only my grandma would. I hated going there & I'm 100% guilty at avoiding her. I feel terrible, but I just couldn't handle her crying all the time & wanting to come home.. Thats all she wanted for 10+yrs.. was to come home.. it was horrible
I do love her, but I was soooo thankful when she passed away a few months ago, that poor women is not at rest. She was 98

I'm pro Assisted Suicide for cases like this. We can end our pets horrid suffering, but its ok to let our human loved ones to live in hell for 10yrs.. I don't understand how that is right, I just don't My grandma isn't close to that, shes very much alive & ok... but if she goes into full blown dementia & is scared all the time, I would wish the assisted suicide option was available. However if she wasn't scared & was in a happy dementia, then assisted suicide would not be an option. Just my opinion, I don't expect others to share it.