I agree with all of your points, but despite writing that he has no physical health issues, it seems he was beginning to experience a pretty significant mental

I agree with all of your points, but despite writing that he has no physical health issues, it seems he was beginning to experience a pretty significant mental decline: >I was sick of having to dig through the trash to find an envelope that was sent to me so I could remember my own address - especially since I lived in the same place for the last nine years!