hello Thanks for query .Based on the facts that you have not been able to have sexual intercourse even a single time since your marriage ( nine months) . In majority of young individuals the cause of Erectile Dysfunction is Psychogenic in origin and mostly due to what is called as performance anxiety Consult qualified Psychiatrist for counselling and treatment . Following measure will help you to boost up your confidence and getting good erection and delay ejaculation. 1) Practice regular exercise for 45 minutes followed by meditation for 1/2 an hour in the morning. 2) Take high protein diet rich in vegetables and fruits and Vitamin A,C,D,E.and Zinc 3)Take anti oxidants like Almonds 5-6 everyday 4) Avoid alcohol and smoking. . Taking Sildenafil (Viagra) or Cialis as on demand will help to get good hard sustainable erection and to have enjoyable sex. Duralast is Selective Serotinine Reuptake Inhibitor and is generally prescribed for premature ejaculation and does not help in ED . Dr.Patil. .