It’s not easy to tell when Rhinos are in a State of Aggitation. We keep cool, We cruise along, seemingly serene. Meanwhile We are contemplating Demonstrations and Objections and Peevishness, behind the mask of normalcy.
This is a skill set that is hard to teach to the young, who are more Spontaneous. It is easy to see when they are thwarted; they object and roll on the ground.
Nature seems to have a way of aggravating the noisy ones in the Wild. The moral is the same every time: nothing noteworthy is accomplished.