But he had pain in a part of his back that didn't make sense. Low energy. And he mostly waved food away. Like, ice cream food.
At a hospital check after a minor fall in the living room, an x-ray showed he'd been living with a "30% compression fracture" of his L-1 vertebra for about a month. (Thankfully nothing was found wrong re living room fall.)
It explained his pain, and probably appetite. Advice was to do nothing; a brace wouldn't work bc dementia and trouble with balance. So he wore pain patches and took ibuprofen, a long time.
Soon after that check, he had a first appointment at a Parkinson's treatment center. Weighed in at 141. The neurologist diagnosed him with vascular dementia, not Parkinson's, but she and my parents hit it off, and she agreed to be his doctor.
Toward the end she got in his face. She said, right now, my biggest concern is, you're starving to death. You have to eat, or you'll be dead in a year.
Although my mom and I had been saying this for months without his seeming to hear, I could tell he took it in. And a new vocation was revealed to me, which is still here. Get Dad fatter.