Let’s face it, common courtesy is pretty uncommon these days. Do you hold the door open for people? Do you say “thank you” when people hold a door open for you? Do you remember to say “please” and “thank you” to the sales clerk, the mechanic, or the person at the drive-thru window? Do your co-workers or employees think of you as a courteous person? And what about your spouse and children? Do you show them the same level of courtesy and respect that you show to the outside world? Make common courtesy a common practice. Who knows, you might even set off a chain reaction. Start with these 10 specific manners your kids need to know, and they’ll reap the benefits for the rest of their lives.