I think if you really look at your own actions you have the answer as to why she has done the things she's done. And no, you should not be starting any new relationship until you get professional mental help. You are not ready for a relationship.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.