Answer:
Paul is angry that his father wants him to discuss the horrors of the front.
Step-by-step explanation:
" Paul talks and talks as his father asks questions, but eventually, Paul's father goes over the line and asks if Paul has ever had hand-to-hand combat with the enemy. This thought of fighting on the front line causes Paul to snap emotionally, though he controls himself by simply answering no and leaving the house."
I hope this helps