He has to stop porno.He is habituated to fantasize having intercourse with heroine like girls. Unless he stops seeing porno, with the help of a professional help, he will be unable to come out from erectile dysfunction.You will get advice from other members. Follow which resonate with you.
I have answered this question before. But in case you did not get it I said that taking intercourse off the menu for a while may help because he may have developed some performance anxiety erectile dysfunction. He also should consider going on testosterone replacement therapy and have himself checked out for diabetes..