How would you like it if someone sent you an e-mail every single Sunday reminding you to brush your teeth? Brushing your teeth is something you already know to do, and the e-mails would soon be ignored and lose importance.
@Wayne:
Judging by your avatar it is hard to believe that you brush your teeth only Sundays. :-?
I know, I know.. this is a moronic comment, but when you have taught basics of Java for 6 hours to people who have never programmed... I need beer.
:-P