(How on earth did he know?)

He continued: "You will immediately become acting sub-lieutenant. If we both get through safely, I'll see that you get your commission."

He got back on to his horse, which his orderly brought up, and leaning across the animal's neck, said:

"In case the matter interests you, we are retiring because we chose to. Our line has not been forced. It's the enemy who can't hold out any longer. Only there's a detachment of Landwehr trying to turn us southwards."

I thanked him with a beam.

As I drew near to the platoon, Guillaumin raised his voice:

"Your new subaltern, lads!"

"Good luck to him!" Bouillon exclaimed.

There was a subdued murmur of satisfaction and approval. I must be forgiven for having noticed it. It was one of the great moments of my life.