2019 and 2020 books are in the
Odds and Ends
Someone for Everyone
3 2, 9:36pm
For very general things like speaking volume, you could make that argument, but for the more subtle, context-dependant social rules, if you're not willing or able to explain what I'm doing wrong (and the why; understanding the reasons behind a rule helps people remember better) then I'm just going to make the same social error over and over again.
There is such a thing as being too polite to be at all helpful.