Becca's Letter to Sierra From the Land of Betrayal

Becca betrayed, whose pronouns are she her, who is writing to us from the land of betrayal. In June of 2019, Becca started dating a man we'll call Garrett, he him. Two months later, I started a new job and met my co-worker slash new friend, we'll call her Shannon she her. For a time, they were the two closest people in my life. They know more about me than just about anyone else. And above all, doesn't this violate some kind of girl code? Don't you never go back on an ex's word after something like that happens? But even though I'm happy in my current relationship, I cannot move past this