The Art of Taarof in Persia. When you travel to Iran, if you give someone a tip, they probably will not accept it right away! And they will say no thank you! If you want to give someone a gift, they will most probably not accept it; And they will answer back, no thank you! Even if you want to start eating food, you should do a Taarof, in order to be polite in a Persian family feast or party.