The purpose of an adjective clause is using a subject and verb that provide a description of the sentence. Impact allow the reader to understand what is occurring and why it is occurring. Who cause the affects? Or where is it happening?
I think you could perhaps get that someone may have helped him and looked after him in a way that he didn't need to be very independent, George is always helping him and telling him things they don't have.. This could be down to his mental health but also down to his childhood. Just what I got from it..hope it helped a little :)