One of the very important things that Qataris do is never to reject an invitation to dinner. In fact, this is a very common habit amongst the Qatari natives and it is considered a part of their culture. Qataris are known for their hospitality in terms of food and drink, especially at restaurants. And one thing you must not forget about when traveling to Qatar is that you should never reject an invitation from anyone to have dinner or drinks with them. If you're invited by someone, don't hesitate to accept their offer as they will be very happy if you accept their invitation and this will add more meaning to your visit in Qatar.