What did it mean to be a gentleman in the middle ages?

How do you be a disciplined person? In relationship to communication what is perception checking? What is a bumboclart? What makes a girl whant to force a boy to smell their feet? What dose mooch mean? What other word means immature? What does ''I got a little hitch in my get-along now'' means? What is the proper name for a bathroom attendant? How can one say hello to unknown people in a formal letter? Why do people say your welcome? What can put in a thank you letter for a donation? What is the correct way to address an envelope to a single female PhD? If you receive a baby announcement do you have to send baby gift to someone who is not a close friend? What is the nickname of the manila? When someone says en garde in French what do you say in French? What should an invitation contain? Who is john doe and Mary doe? Who is a jerk line skinner wears a stetson hat and has a gravity in his manner and a quite so profound that all talk stopped when he spoke? What does it mean when someone calls you grease? Magic words of politeness?