I’m sorry you had to go through that experience with your husband. The average person has not discussed it at all, (passing away at home) and those who do may not realize how hard it can be on the entire family. I am making the presumption that it could become very difficult. I’ve not lived through it myself. Not so far. There was likely a part of his mind who felt better that you were near him, but was unable to express it to you.
My mother had also wanted an at home death, so I brought her to my home for her last six months. A big difference was that she knew she was dying and it caused her anguish. My husband did not, and for about 3 years he did not know I was his wife, just the nice lady who took care of him. My husband’s ancestry was Scottish and he hated the idea of spending money on nursing homes ($70,000 a year) or expensive funerals (minimum $8,000) so I did what I had to. I had undergone quite a bit of psychotherapy which made it easier for me to handle both death watches. My husbands war caused PTSD eventually gave me PTSD which I eventually was able to exorcise.