Relationships...Boundaries or no Boundaries?

Let me start off by saying thanks for taking the time to read my posting. My name is Eli. I have been dating this guy Aaron for almost a year. I will try and summarize the story. We first met at a local mall, he commented on an outfit of mine, and we hit it off from there. Needless to say the guy fell in love with me on the first date. We made the hugest mistake by moving in after just a few months of knowing each other. We have lived together ever since. Lately in the relationship, I am not happy. Consequently, of the fact that he is overly jealous, insecure, and major drama. Three traits that I do not get along well with. If a guy calls me, texts me, all hell breaks loose. (Not to mention half of these guys are friends that I knew way before I ever laid eyes on him). I come across new people everyday in my line of work, My biggest concern with this relationship is that I don't want to give up part of me to become half of us. I believe that I am entitled to my life. What do you think?