If a guy you haved loved for ages and want to move away from how would you do it,.help me please,.?.thanks,.!?

Im 18 this guy is 20 ive been with him cince i was 14 he was my first ya i regret it cuz 14 is sooo young makes me think what he saw in me at that age anyways!! He says he loves me and was almost in tears because he thought is didnt like him anymore because i wouldnt kiss him when realy i was mad because i stayed at his on halloween and he told all his mates about it and when i had ago at him for it he didnt get y i was mad ,.then when i didnt want to kiss him i was still mad and sed u cant just come around acting like everything is normal im still mad,.he sed its not about the sex while hes trying to take my clothes of ,so it obvi is about the sex,we havnt had sex cince,im trying to move on but hes a charmer and wont let me leave with out i fight,i dont text him back or ansa his calls,.what would you do,.?.am i doing the right thing,.thanks for your help,x