The Red Badge of Courage when the man with the cheery voice leaves henry, henry realizes something about him. What does henry realize about the man?

Henry sees that the advancing soldiers are suddenly streaming out of the woods in full retreat. As they flee, they run straight toward his position, and soon he is surrounded by fearful, disoriented soldiers, determined to move to a safer position. Henry grabs one soldier and attempts to ask him why he is retreating, but the soldier has no intention of talking to Henry, and, when Henry doesn't release him, the soldier strikes him over the head with his rifle. Henry is badly dazed by the blow, and he struggles to stay conscious as he runs with the retreating soldiers.

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