"Life is accepting what is and working from that."
-Gloria Naylor
When things happen that you don't like and leave you feeling hurt or overwhelmed with some sort of emotional residue don't make it harder on yourself by searching for an explanation. Oh sure, you can go on a seek-and-find mission, but don't turn it into your life's work.
The reality is you may never know. And, there you are wasting more precious time on a toxic person or a toxic situation, just to try and figure out, "why."
Learn how to simplify your life by accepting what's happened and know that you will get beyond it just like everyone else who goes through "stuff" gets over it too. Or, you can hang on and drive yourself crazy trying to figure out why people do what they do and why they are who they are.
When someone violates you on any level, decide how you are going to handle it and move on. Don't try to