Thanks guys.

@lynn I neither smoke nor drink. I have told my family doctor and she prescribed me viagra, levitra and cialis and they had absolutely no effect. She also sent me to see a psychosexual counsellor but it didn't work because I was too embarassed to tell him anything about me sexually. But he did tell me to ask my GP for a testosterone check, I told her this and she told me that she would follow it up and get back to me. That was over a fortnight ago and I still haven't heard anything.

Age isn't a problem because I am only 22. I don't think I feel particular anxiety in terms of performance. My anxiety now is in terms of not being able to get an erection.

Something that I should have mentioned that you did instead is that because of my anxiety of social situations I did resort to a lot of porn and I have lost the sensitivity in my penis.