SOME SOCIAL RULES THAT CAN HELP YOU: 1. Don't call someone more than twice continuously. If they don't answer your call, assume they have something important to do; 2. Return the money you borrowed before the person who borrowed you even remembers or asks for it. It shows your integrity and character. The same goes for umbrellas, pens and lunch boxes. 3. Never order the expensive dish on the menu when someone gives you lunch/dinner. 4. Don't ask awkward questions like "Oh so you're no...