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..
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.