Answer:
The effect is to make the narration more succinct, direct and complete.
Step-by-step explanation:
If the author showed the counselors with several short sentences, the narration would be very fast, fast and would feel like a hurry. This was not what the author wanted. He wanted to show a more leisurely, complete, but succinct and strong narration and for this reason, the author decided to gather all the advice in just three sentences, with a strong focus on what was important in a calm and complete way.