Thinking of you, FS, and wondering how you're doing. I also want to agree with Yail about never having a home as beautiful... in fact, reading Yail's posts about her new apartment had given me a whole new perspective on moving on and what life could be like in the future without H. I think that was the first time I really started to see the positive side of being on my own (thank you Yail). Maybe you can put your sadness about the house in a box where you can visit it and honor it when you want to, but also feed your adventurous side by looking at home listings and cruising on Houzz and other sites where they have amazing before-and-afters on tiny budgets, so that you can also imagine what you could do with a fixer-upper (rather than get depressed about what might be in your budget range). Not sure if this is helpful at all, but I looooooove real estate porn and it always gets me thinking about future possibilities rather than getting down about today.
Don't feel guilty about selling the house, though. This is NOT on you.
Me (46) H (42) M:14 T:18, D9 & D11 4/19 - 12/19: series of escalating BDs 9/20 - present: R and piecing