Whether you're scrambling around the forest looking for berries and killing things to eat with pointy sticks or working an office job living in a suburb – I don't really think your emotional experience really changes all that much.
I think your misery and delight are driven by the best and worst things in your life and it doesn't really matter all that much what your circumstances are. When things get better you find new things to be miserable about, when things get worse you stop caring about the little things and your misery is driven by the new worst thing.
I don't see standard of living really driving all that much happiness. Maybe some, but much less than I think most people expect.