Gregory's Grandma, Oma reflects on change. She says, "I suppose we all change. Can't be helped. Sometimes it's just a natural part of growing up. Or sometimes things happen to make us change." Page 39. This is pretty much a summary of what Gregory is going through. Gregory has changed a lot. As well as growing up he has also been through various events that have forced him to change, like his parent's divorce and losing his best friend.
Gregory's mother rings them and Gregory finds out that his father has moved out and that he won't be there when Gregory gets back. This is a big shock to Gregory. Pauline kisses Gregory on the cheek and their relationship starts. Oma tells Gregory that she is worried about his mother and asks him what he thinks she should do. This is the first time anyone has asked him his opinion about anything. This makes Gregory feel smarter and more confident in his opinions.
Gregory's mother rings them and Gregory finds out that his father has moved out and that he won't be there when Gregory gets back. This is a big shock to Gregory. Pauline kisses Gregory on the cheek and their relationship starts. Oma tells Gregory that she is worried about his mother and asks him what he thinks she should do. This is the first time anyone has asked him his opinion about anything. This makes Gregory feel smarter and more confident in his opinions.