My advice owuld be to engage the kids. Don't be so obsessed with being "observed" and needing to present that the kids don't get the chance to demonstrate they they're successfully learning from you. That's the end goal anyway...

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Life is too short not to love and be loved....preferably multiple times in one night.

I think men talk to women so they can sleep with them and women sleep with men so they can talk to them. ~ Jay McInerney