If you are nervous, invite the parents as well. While the children play you can discuss your concerns. Open, honest, questions are welcome. Don't be afraid to ask and don't stifle your child's curiosity. They also like to talk about their favorite TV programs, sports heroes, video games, clothes and everything else.
Children imitate adults.
You need to set the example. The best way I can think to sum it up is to quote a former student. I think you'd like it. If you would like more information about O and M, feel free to send us E-mail.