She was diganosed with dementia 6 months ago. Now Covid so she has an excuse not to go out or see people. She will not go for a walk, will not sit outside for fresh air. I am scared for her. I know I wont be able to help her much more. I thought I could. She refuses.
I hope others have some ideas for you. You BOTH matter!
While neither of you probably want this, she may do better in Assisted Living, where there will be organised activities for her to watch and perhaps join in. It might be a good idea for you to check out alternative living arrangements, and to work out what your own caring limits are. Hours a day, fecal incontinence (often a tripping point, especially for male carers), not recognising you? Think about it in advance, so that you can check out the options, including the finances, and all the other things that it may entail. Best wishes in a situation likely to become even more difficult.
I think that life gets hard to live at a certain point and everything is a challenge and just doesn't feel like the effort is worth it. So they sit down and try to entertain themselves the best they can.
I have a dear friend that is 90 and she has gone from being on the go daily to just staying home and trying to get through the day. It is heart breaking how fast the failure has been, but it is life. She told me yesterday that she woke up old one day and she doesn't know what to do. I think that is how it is when you get that old and you are nearing the end.
If she seems okay with how she is living right now, let it go.