"Lynch, my friend!" As soon as he passed through the corridor, Lynch heard Mr. Fox calling out. He walked over to Lynch, smiling, while each of their female companions released their hands before they met, maintaining a very appropriate distance from them.
Sometimes social etiquette can be really cumbersome; you have to know when to do what, even a slight mistake can lead to subtle ridicule.
People won't openly mock someone for losing face or dignity; they might even kindly point out what someone did wrong, but deep down, they're still laughing at these mistakes.
It's like not making noises while drinking soup; those people view these behaviors as standards to distinguish the upper class from the lower class.
If someone makes a mistake, they will laugh, but it's definitely a tolerant smile from the upper class to the lower class.