Julius Caesar 4.2 Metaphor: “like horses hot at hand”

The video explains the importance of having a strong and courageous horse, known as a horse of good metal. It describes the physical posture of a courageous horse when charging and contrasts it with the behavior of a fearful horse. The term 'crestfallen' is introduced, explaining its origin from the posture of a discouraged horse.

What does it mean for a horse to have 'good metal'?

Describe the physical signs of a horse that is afraid.