He was being a dick, he is the type of guy who smokes weed to be cool, although he doesnt have to do anything he sould have at least stood up if just to show respect and gratitude to his teacher and his classmates and if he doesnt wish to show either of them to anyone then he shouldnt be in school and doesnt deserve the teachers time.
I realy disslike peopel like him, they are selfish and unworthy of people like his teachers time and effort.