I see it as a question of preference so I know by never having felt envy, etc. at someone richer than me just for being richer. I only feel interested in my wealth relative to what I need or want to purchase.
As noted in the comment thread I linked, I could start caring if someone's relative wealth gave them power over me but I haven't been in this situation so far (stuff like boarding priority for first-class tickets are a minor example I did experience, but that's never bothered me).
Have you ever been poor?
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