The fact they were all engaged in each others conversation. “Good point” “I agree”
Also all had different reason why the leaves soothed Tyler’s heart.
The could protect it by them reducing the throttle to "no wake" speed when they are close to a shore line. Or even protecting the horeline from erosion.
This is where Lennie has gone back to that place by the river after he has killed Curley’s wife. Lennie expects that George will give him hell. he asks George if George is not going to do it. George says that he will not, but Lennie really wants him to.
Answer:
I think it is 3.) Creating a summary