This isn't about me or my insecurities. This is about gender dynamics and OPs situation. She knows he ain't going anywhere so that's why she seems to be treating him secondary to her social circle and perhaps, newer and exciting sexcapades

Just calling it what it is. This will unfold into nothing but misery for OP unless he puts his foot down.

UPDATE:

Just thought I would give everyone an update, I did not expect to get so many responses. However heres what happen me being in denial I gave her another chance, however she did indeed stop going out. However the problem of our relationship is that she's not mature. Her only answer to me was for me to get over it and basically move on. However because of the distrust and disrespect there was no clear way of me getting over it. Even after all of her fuckups she progressed like she did not do anything wrong and other issues began to appear, the real problem she could not fully understand her faults and wrongdoings and understand how it was negatively impacting our relationship. She always placed blame on me for being negative and angry all the time. However there is a cause to every reaction.

Because I did love her, I tried to make things work however I had to finally put an end to all of this, broke up with her and she moved out. She lost more than I lost...and maybe one day as they all do they will see the truth..

Thanks guys for everything just have to grow and become a stronger version of myself and move on

Good move.
There's a chance she'll hit u up again in the near future.
It might even look and feel as if she has changed.

Clearly, this is what you want, change her and for her to become the person she is in your head. So, you will be very sensitive to this.
Don't let this fool you, because you will go through exactly the same thing all over again.

Best of luck man.