Some individuals miss a great deal in life because they are afraid to try new things.
The camping trip is new to the city boys since it is their first trip. Also, since the boys are described as being from the city, we know that being outside in the wilderness could also be new. One of the boys chooses not to take part in any of the typical camping activities. This shows that he is afraid to try something new and therefore misses out.
Some individuals get into a lot of trouble because they try too many new things.
This story idea deals with Heather doing something that could have been a good idea, but because of the weather, it turned out to be bad. We do not see any evidence that she's afraid to try something new, that she has a childlike side to her personality, or that adults are not taking young people seriously.