I believe when you get mixed messages, you should always believe the message you'd rather not believe. In your case, it's that she doesn't want affection and touch from you.
Did her sexual cutoff correlate to her girl friend's arrival on the scene (or with a sudden increase in the time they spend together or the things they do together?)
As far your stated goal to remain married and have an exciting sex life with her, it may be time to recognize that you simply do not have control of that and never will. In fact, I'd venture to say you will never have even an adequate sexual relationship with her again.
Did her sexual cutoff correlate to her girl friend's arrival on the scene (or with a sudden increase in the time they spend together or the things they do together?)
As far your stated goal to remain married and have an exciting sex life with her, it may be time to recognize that you simply do not have control of that and never will. In fact, I'd venture to say you will never have even an adequate sexual relationship with her again.