Are there any French coming of age traditions?

What are the factors that contribute to good grooming? What is to mix socially especially with those of a higher status? Is it proper to just put sincerely at the end of a formal letter? If a man wears pajamas what does a woman wear? Why are boys such jerks to you when they are around their friends? According to the rules of etiquette what does it mean to go dutch? What are those short shirts that go over dresses called? How do you address the husband of a baroness? What does Merci et bonne fin de semaine mean? How can you use manners in a sentence? Why is it important to fold the napkin properly? What is etuver? What is the metaphor for someone who does not behave? How do you tell someone that you are very lucky to have him or her in your life? What is the meaning if some peers are addressed with san at the end of their name and some of equal ranking not addressed with san at the end of their name? What did 1940s maids wear? What is the Avec toute mon Amitié? When someone calls someone else a meet hook in a slightly sexually intense situation- what does that mean? Is napkin a noun? Why do people do what they see others doing?