You sit there waiting for the RED LIGHT to go on. You could be sitting there for five minutes, waiting, while the producer talks to the engineer. Then the light goes on you know that you mustn't make a mistake for at least 4 minutes. ↗
To wait for hours to buy a train ticket or to see a doctor is accepted as a normal way of doing things. Privacy is not a great preoccupation, and this is a very crowded country. ↗