It's rude to insult other people.
Grace is having a dinner with her friend at a restaurant and a waiter carelessly drops her bowl of hot soup on the ground, which burns his hands.
Grace wants to react to the waiter's behavior.
Grace immediately gives a napkin to the waiter to wipe off the hot soup and asks him if he is okay.
Grace yells at the waiter for his clumsiness.
The waiter thanks Grace for her understanding and serves her a free dessert to show his appreciation.
The waiter feels hurt and frustrated.