If someone is sanguines, they are cheerful and hopeful about the future.
Being sanguines is a good thing because it means you are happy and positive.
Examples:
She is always sanguines, even when things are hard.
Even though it rained, he remained sanguines about the picnic.
The sanguines girl always sees the bright side of things.
The sanguines puppy wagged its tail happily.
He was so sanguines that he believed everything would be perfect.
The sanguines flower bloomed beautifully in the sunlight.