Hey Kim,
I don't think one can ever be "cured" per say. I think its more a matter of having alot more better days than bad days which is good too. I think if you view it that way then perhaps you will not feel as frustrated or disappointed when you experience those days where you feel like cutting. It sounds like you are doing a remarkable job not cutting so that in and of itself is wonderful. Just remember that there will probably be days were you are tempted by your thoughts but if you can fight those thoughts off and have many more days were you don't cut and many more days when you fight the urge than that is what get better is all about even if you are not cured per say.