I met an Erasmus student in my country and we like each other, we text almost everyday, we meet and we have sex. But he's here for 9 months and he said he wants to enjoy the experience and probably sleep with other girls. I said I understand his situation but I don't like him being with other girls, and that If he does it, I want to know. Later he said that If I would go with another boys, he would be angry as well. Also, he asked me if he goes with another girls if he will lose what we have now. I said I don't know. What should I do?