1. He is comparing his injury to finding a cat on a sofa.

2. When he says he said that he was passing out it makes you think he's going to pass out.

3.He is afraid to fall in water because he will fall in France and France is the enemy of Germany.

4. He was dozing off

5. The detail reveal his history in the battle field. He says "He heard the noise everyday in battle".

6. If they are German they will try to bomb him, We can infer that the nurse is scared.

7. He doesn't want the nurse knowing his business. Then he's afraid that the water is dirty.

8. He is a lighted hearted person because he takes everything lightly