It's good to support your siblings.
Dean is at his younger brother's high school graduation.
Dean wants to show his brother he is proud of him.
Dean claps and whistles when his brother is called and takes many pictures.
Dean screams loudly while his brother is walking the stage and disrupts the families around him.
Dean's brother feels loved and is happy that his brother is there to support him.
Dean's brother is embarrassed and blames Dean for ruining his graduation.