Research has shown a staggering number of health benefits associated with dispositional optimism, from improvements in cardiovascular health, to how quickly wounds heal, to slower disease progression.
Together, wanting and liking encourage us to pursue rewards. But these sensations can also stand alone, creating situations where you might know that you enjoy something but don’t want to go after it, or where you might have a strong desire for something that you don’t get much pleasure from.
many of the quant-ities related to suffering are based on perceptions and similar uncertain infer-ences. The uncertainty will necessarily increase frustration since it means the predictions of reward often go wrong . More fundamentally, the computed reward loss can be uncertain, even illusory .