When you are getting f s view from Gregor, who I believe in this book is the main character due to the fact everything is coming from his perspective. This effects the reader in the story by getting a better understanding how Gregor views the ones that he interacts with. Not only does it shed light on what kind of person Gregor is, it allows you to be drawn in to the book by the character as he experiences different situations with different characters. You'll be able to really paint out who Gregor is.
