Please. Thank You. You're welcome: These are some of the basic phrases we instruct our kids to say at a very early age. Teaching a code of behavior that delineates expectations for the complicated social world is the beginning of instilling good manners in your brood. While the foundational lessons will always be important, these days, proper etiquette is now required online. The ever-expanding world of technology has stretched way beyond the confines of what to do when meeting someone for the first time or how to behave at the dining room table.