Just Vent | Just Venting

This is something new I'm going to try just to see if actually talking about this problem and hopefully getting advice helps me.I'm truly not afraid to admit it. You don't have to tell me I know that if jealousy had a face it would be mine, but is it really so wrong of me to have jealousy or insecurity issues after everything we've been through.When I do get jealous it's not that I'm trying to be, I can't help it I often find myself comparing myself to other people that I think you find attractive, I often feel threatened, or I tend to picture the worse case scenario in my head ( even if it's as far from the truth as possible )I was never like this when we started out. I trusted you. As our relationship has progressed, and we found people trying to start problems, we sat down and talked the issue out. We both set standards or "rules" ( if you wish to call them ) for each other. You broke one of the "big" rules I had set for you. Even though you apologized for it,I'm not quite sure even now that I forgave you for it. When that happened some of my trust for you was gone. Then lie after lie after lie you told me, and more of my trust faded away. Now I am reconsidering that maybe jealousy isn't the only issue. Jealously? Insecurity? No Trust? Any Advice?