What to do, do not want to take medicine for fear of failure?

Doctor I had a 12-year relationship with a woman and it seems like a lie but we never fucked during this time although we did oral sex in each other; well we did everything except having sex, we finished and the first woman I got my penis was not totally hard after I had another disappointment transei, but without the penis as before. I felt very horny for my ex and I think that shook me piscicologicamente a day I took a pramil and our was frightened by the reaction that the drug caused well after that I had other women but I feel that I do not have the same horny of before this is not normal I am 38 years old I finished with the woman that I quoted to 8 years and wanted know what I can do? Because I do not want to be taking these drugs for fear of failing at the time of the engagement attentively.
Expert answer:

You should seek help from a urologist and at his discretion a psychologist too, what you have is sexual impotence, there are good treatments with good results for this problem, but you need to seek help.