Etiquette of a Gentleman

What I've done is compile a quick list of tips that will help turn even the most blundering fool into a proper gentleman. Follow these simple tips and I can assure you that people will perceive you as a man of good breeding and taste, hence a man they wish to associate and conduct business with. Not to mention the fact that the ladies are always quite pleased to meet a real gentleman.
General Etiquette
Always be polite
Even if you don't like someone, there is no need to lower yourself to their level. Be polite and courteous; show that you're the better man.
Do not curse
Swearing is a big no-no. It shows that you don't have the vocabulary to express your thoughts appropriately. Furthermore, it is always very crude and impolite to be vulgar.
…