It is better to take a low profile and whenever possible, let your host do the talking. Never be pushy or insistent. Talking about sex in public is inappropriate. Disparaging religions and ethnic origins are not acceptable. Asking someone's wealth and income is inappropriate.
Loud voices are impolite.
Public Manners Kissing in public is inappropriate. Shoes should be removed before entering carpeted rooms, feasting places and holy places, especially mosques. Sunglasses should be removed when speaking to someone or entering a home. Feet should never be used as pointers, and should stay off desk and tables. Eating while standing or walking is inappropriate.