I read the article. It really sounds like you need to speak with a professional in order to get a proper answer.

In my case, MDs were hesitant to put me on / keep me on meds that inhibited me sexually because I was not very sexual. (When I was put on meds that inhibited my sexual behavior, I was actually glad that I did not have to deal with sexuality.) Smart MDs saw that I needed to grow sexually and that meds were an impediment. Regardless, it never really happened - the real reason was that I was negatively nutured and no med or professional counseling could overcome that.

From what you have written, it appears that you still suffer from a high level of anxiety/stress. Please bear in mind that a lot of people believe that sex relieves stress! Maybe it's worth a try to go the natural route?