What are some German customs?

Answer 1

Here are some customs, given by various contributors:

• Bringing a bottle of wine to a party or housewarming.
• Wearing house shoes and wearing other shoes outdoors.
• Shutting the bathroom door no matter what you are in there for.
• Shaking someone's hand every time you see them.
• Never calling anyone by their first name unless you are family or extremely close. Many Germans work together for years and still address one another by Mr. or Mrs.