My understanding is happiness will revert to the baseline if you have a set loss such as going blind or losing a limb. But a degenerative illness implies contin

My understanding is happiness will revert to the baseline if you have a set loss such as going blind or losing a limb. But a degenerative illness implies continued increasing loss in which case you would not have a chance to get used to it and revert because things will just keep getting worse. I’m curious what are you saying we figured out in the 70s?