I was completely ignorant about many things in Britain. I found that British beer was warm. Before I bought my beer, I sat for half an hour in a pub before I realized you had to order at the bar.
I then tried the same thing in a tea-room and was told to sit down. The tea-room lady called me love and most of the men called me mate. British people did not eat with a fork like Americans but used a knife and fork. I had never had tea with milk in it before or had my main meal at 7 o'clock in the evening. British cars drove on the left! Among the many terms new to me were loo, semi-detached house, and au pair.
Why did he sit without being served for half an hour in a pub?
Because the pub sold only tea.
Because he had to order at the bar.
Because there were many customers in the pub.
Because it was the late of night, they was tired to serve him.