Here is something nobody tells you about Halloween. It is, secretly, the single greatest manners training ground of the entire year. Think about it. In one evening, your kid walks up to dozens of strangers' doors and completes dozens of tiny social transactions, each one requiring a greeting, a little patience, a thank you, and the raw self-control to take one piece of candy when the bowl is right there and the size of a kiddie pool. It is a manners boot camp wearing a costum