How cool are you?

Cool is neither warm nor very cold; giving relief from heat; "a cool autumn day"; "a cool room"; "cool summer dresses"; "cool drinks"; "a cool breeze" marked by calm self-control (especially in trying circumstances); unemotional; "play it cool"; "keep cool"; "stayed coolheaded in the crisis"; "the most nerveless winner in the history of the tournament" (color) inducing the impression of coolness; used especially of greens and blues and violets; "cool greens and blues and violets" psychologically cool and unenthusiastic; unfriendly or unresponsive or showing dislike; "relations were cool and polite"; "a cool reception"; "cool to the idea of higher taxes" make cool or cooler; "Chill the food" (used of a number or sum) without exaggeration or qualification; "a cool million bucks" the quality of being at a refreshingly low temperature; "the cool of early morning" loose heat; "The air cooled considerably after the thunderstorm" aplomb: great coolness and composure under strain; "keep your cool" lose intensity; "His enthusiasm cooled considerably" fashionable and attractive at the time; often skilled or socially adept; "he's a cool dude"; "that's cool"; "Mary's dress is really cool"; "it's not cool to arrive at a party too early"

While each generation feels that "real" cool is something pure and existential known only to them, that it was founded in their time by them, there is not one single concept because one of the main aspects of cool is its mutability - what is seen as cool will change from time to time, from place to place and from generation to generation.[1] So are you cool?