You should not disrupt others with your bodily functions.
Alan is having dinner with his family, and he's seated next to his younger brother Harrison who seems a bit sad.
Alan wants to make Harrison laugh.
Alan does a humorous impression of Harrison's favorite cartoon character.
Alan takes a big swig of his soda and makes a very loud and exaggerated burp.
Alan's parents notice his efforts to cheer up his brother and praise him for it later on.
Alan's parents are appalled at his poor table manners and scold him.