This short story is telling you about life and wha this world hasn't become. It's telling you that growing older is mandatory and that growing up is optional.
We make a living by what we get, We make a life by what we give.
They say we're lucky to survive to unlucky events. In reality, surviving is the worst thing in those events. This ''book'' is in fact, many little stories that show how surviving isn't always the best thing.