It rather amazed him to discover himself doing things which he had never done before.

His nature was an aloof one, observing and sympathetic, but always more or less detached.

At his people's dances it was his habit to stand on the side-line, smiling and nodding encouragement, but never taking a part.
His habit of reserve fell from him now, and he seemed possessed of a new sense of freedom and a new desire to give physical expression to something within him.

Stampede was dancing.

He was kicking his feet and howling with the men, while the women dancers went through the muscular movements of arms and bodies.