When in public do not wear anything revealing that is anything above your ankles or wrists, especially for women.  Wearing a scarf over your head along with a pant suit is okay. 

Wearing shorts may get you in trouble so it's best to avoid wearing them.

The thumbs up sign is considered a rude gesture.

Avoid any public displays of affection between genders. Holding hands in public or dating is not usually allowed.

Talking about issues such as divorce is not acceptable and getting a divorce is extremely taboo.