otoh we have ~endless motivation to seek out sweet n fatty foods, high-payoff gambles and social adulation, even when the quantity we're receiving is no longer doing us any good
this is adaptive in the ancestral environment- take advantage of rare opportunities when they arise without wasting neurons on a more complex formula for desiring things the environment already limits
i think people would be happier if our modern lives defaulted to patterns of abundance and scarcity that match our ape-brained intuitions