Thais feel very strongly about their religion, so don't wear
your beach clothes to a temple. Both women and men should cover their legs and their
shoulders. Don't allow children to climb over Buddha images. Always remove your shoes
before entering a temple.The traditional Thai greeting is not a
handshake but a "wai", where the hands are brought together in front of the
chin. The younger or lower-ranking person "wais" first.
Displays of anger are a sign of a lack of self-control. So don't lose your cool
in an irritating situation. Anger won't get you anywhere; rather, practice polite
persistence.
The Royal family is deeply respected and loved. Dont speak ill of them
even in jest.
Displays of affection between the sexes in public is a "no-no".
Personal hygiene and cleanliness are very important. Thais tend to dress very
conservatively.
Thais are quite respectful of Westerners and you will probably get people
trying out their English on you. Don't be offended by questions about your age, salary or
marital status. They don't mean to be intrusive. Similarly, their greeting is often
"Hey you!" This is not an insult; rather, it is a translation from the polite
"you" in the Thai language. The common way of greeting someone in Thai Is not
"How are you" but "Where are you going?" In Thai its "Pai
nai". Answer with "Pai tee-o" (I'm going out).