Should we break up for good?

My boyfriend and I have been together for 5 years now. I love him with all my heart and he really is such a good guy. My comfort level with him has been unbelievable and it has truly made him my best friend. Our life has always been amazing, but sometimes it is really hard to get him in the mood since he works so much and is tired a lot. He has never cheated on me that i know of, nor have I cheated on him. We recently went through a really rough patch I think definitely changed the way I see us. About 2 months ago he took up a job as a bouncer in a fully nude strip club, and although I was never ok with the idea it was the only income we had at the time. He was quickly promoted to a manager and he seemed to really enjoy this job too much. It made me really insecure and jealous which yes I know was my problem, but he was also lying to me and leaving out small details, for example once picking up one of his dancers to take her in to work but never told me about it until I found the mapquest print out in the car. Drugs started being involved with our relationship more so then they already were. It was a really bad scene and I think it really changed the way I thought he felt about me. I felt disrespected that he would have even took the job in the first place, but my self esteem level really dropped. The girls were gorgeous and he had personal relationships with all of them, weather business or not. He never really made me feel good about myself, and he has been uninterested in me ually it seems for awhile maybe due to being tired but I don't really know. Anyway, he eventually quit this job and took a job as manger of a retail store. Even though he doesn't work at the club anymore Im still affected by it because I think about it all the time. He tells me he quit the job for me and that if I weren't here he would still work there. We fight all the time and it just seems like maybe we would just be better off as friends. I love him and I don't want to lose him. I don't not want to be i love anymore but its too the point were it just hurts too much. I also don't want to give up the life that we built for ourselves or the life we do have because like I said its amazing when it does happen. We got in a fight before he left for work today and again broke up. But Im starting to think maybe it should be for good this time?