The fact that she has had these EA's and continues to have them should be a great concern. Don't you think that she should understand that you will not live with a woman who disrespects you like that? Don't you think she should know that you intend to be with a woman who will have a healthy sex life with you?
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!