I need help what should i do?

me and my bf brok up befor 20 days he said he want to gv his tym for studies n said lets tak a brk after studies if everythig will be ok then will be in a relationship and said if i found someone else then i should move on i love him and i said dont do this but he dont want to be in any relationship for some time i repetedly said him dont do this and he is now angry and said that he dont believe in love anymore and dont want me and he is fine and he said angrly he wont come back what should i do i knw he love me and i love u but now we r just friend i want him back plz tell me what should i do