Happiness is relative. Humans (and animals) value "fairness" even if they are objectively better off. There is a famous experiment where two monkeys are given

Happiness is relative. Humans (and animals) value "fairness" even if they are objectively better off. There is a famous experiment where two monkeys are given a cucumber every day. They are both happy. Then one of them starts getting grapes (sweeter than cucumber). The monkey that doesn't get the grapes rejects the cucumber in protest. https://youtu.be/meiU6TxysCg https://youtu.be/meiU6TxysCg