By changing the type of obstacle the characters face
yes you are correct, it is a effective summary of the story
The answer is this statement:
<span>Perhaps it was these desperate, bitter men in the
West Stand at Arsenal who taught me how to get angry in this way; and perhaps
it is why I earn some of my living as a critic - maybe it's those voices l can
hear when I write.</span>
It contributes to the emotion of safety and comfort
Procrastinate perhaps? There are a few more that mean the same thing.