Headscratchers / Brown's Pine Ridge Stories

• In the eleventh story, why is Gary taking cookies that neither belonged to him in the first place nor asked for permission to have? And no it isn't simply a case of him being a Delinquent due to him showing a fear of being punished for being caught later in the same chapter. Unless he is trying to portray himself as a Rule-Abiding Rebel of somesort, there is no explanation provided for this Out-of-Character Moment.