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.
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.
Do not speak loudly
When you speak loudly, it raises the stress level among company.
It always implies that you can't reason with people and rely on "brute force" to get your point across. It also draws attention -- negative attention.
Do not lose your temper
When you lose your temper, you are showing everyone that you can't control your emotions. If you can't even control yourself, then how can you possibly control anything else? Keep your cool at all times (it won't be easy but it is worth the effort) and people will take positive note of your levelheadedness.
Do not stare
Ogling someone is the equivalent of psychological aggression. You don't want to intimidate people for no reason.
Do not interrupt
Let people finish what they are saying before adding your comments. Interrupting others is a sign of poor etiquette and a lack of social skills. If you want to come across as egotistical, you can do so by constantly...