There is no us!

Hello There was someone we loved eachother then he became my bf and now we broke up . At first we were just loving and I couldn't understand him I thought that he was not serious ,so one day he saw me with another guy and he was thinking that I was cheating on him while I was thinking to move on bcz I thought that he wasn't really loves me so....after that we became in a relationship for about 10month but we have every time fighting bcz of that he said I cheated on him he couldn't forget that thing and couldn't believed me or forgave me.....now we broke up from about 2 weeks ! But we still communicate together everyday bcz he said I'm special and honestly I still want him and I cant stop seeing his photos or his social account I just seeing him all the time and i feel so depressed but this week I thought that we r going to be better so yesterday I asked him ( what do you think about us) he said : ( there is no us ) and I'm not able to accept that I really love him and now I'm so much sad and feeling bad all the time and I have exams next week not able to study or do anything just crying or sleeping :( ....can anybody help me :(