Thai Culture 101.

First thing: If you're doing something wrong, they will likely never tell you. You just might not see all the opportunities now lost to you as a result of your poor judgement or unawareness.

Number 2. Head good, feet bad. Don't point your bare feet at anybody. It's incredibly rude.

Three- Wai. 

Four- Smile.

5. Seriously, seriously chill out. No worries.

Umm, I think that's all..