What is "Jianghu flavor"?

Children in Jianghu are brothers, and they are loyal enough, because Jianghu means that brothers travel together and spend their own time together, and this taste is the chivalry of brothers, which is very interesting and attaches great importance to friendship. Rivers and lakes should be brothers wandering together, living their own lives, and this taste is the chivalry of brothers, which is very interesting and attaches great importance to friendship.