2. No Public Display of Affection
Trust me, kissing, cuddling or hugging in public can take you to a cell. It is taken as being disrespectful to the elders and their religion.
Do not take photos of a person with no permission
It is very offensive if you take photos of the people in Dubai with no permission. It is illegal and you can be arrested for it. If you want to take photos of them ask politely for their permission.