"Gee I wonder why everyone I talk To Is Always Complaining That they are burnt out and feel tiered all the time?" - Well actually I don't wonder why because I know exactly why because I actually Read!
ETYMOLOGY, THE ROOT MEANING OF WORDS “CHIVALRY” - c. 1300, "body or host of knights; knighthood in the feudal social system; bravery in war, warfare as an art," from Old French chevalerie "knighthood, chivalry, nobility, cavalry,”