Human nerves quickly get accustomed to the most unusual conditions and circumstances and I noticed that quite a number of men actually fell asleep from sheer exhaustion in the trenches, in spite of the roaring of the cannon about us and the whizzing of shrapnel over our heads.
The moral effect of the thundering of one's own artillery is most extraordinary, and many of us thought that we had never heard any more welcome sound than the deep roaring and crashing that started in at our rear