It's good to learn about cultural etiquette...

HSBC bank has funny commericals on cultural etiquette on youtube.
See the importance of knowing the culture you are in.

Comedian talking of Filipino dining

Comic approach to some truths about Filipino dining

Dining Invitation Etiquette in China

Don't rude... 

Graciously say "no" the first time if a national Chinese person invites you to a meal.
That's the polite thing to do!

Why? Watch and discover...

Gestures, meanings and cultures

Be aware of the culture you are in and what your actions mean...