George initially believes that Candy is being nosey and butting into their business. He doesn't want other people to know about their plans. George does, however, change his tune when Candy reveals that he has money to invest in the farm.
By a "hook" do you mean something in your introduction to attract the reader? I'm not sure this is necessary if you are doing an academic expository. Still , here is my take on the relationship:
George has to look out for Lennie and take care of...
Of Mice and Men study guide contains a biography of John Steinbeck, literature essays, quiz questions, major themes, characters, and a full summary and analysis.
Of Mice and Men essays are academic essays for citation. These papers were written primarily by students and provide critical analysis of Of Mice and Men by John Steinbeck.