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.
Optimistic really ought to be a verb
It's something you *do*, not some property you happen to possess. Sometimes it's easy to do, and sometimes it's darned hard, requiring imagination & determination
i think maybe a useful tool for working is; whenever i start believing things are impossible, i am simply tired and need rest. i can begin again when i have the energy to believe in possibilities. i am not a negative person, i am just exhausted.