Hello Thanks for query . You are unable to achieve hard erection and unable to perform sex and is facing problem of ejaculation before penetration of vagina . In majority of cases in young age this is mostly due to what is called as performance anxiety and psychogenic in nature or may be due to organic causes which needs to be rued out by doing following basic tests 1) Haemogram 2) Serum Testosterone levels 3) Thyroid hormone assessment 4) Blood sugar levels 5) Color Doppler scan of penis to rule out any arterial insufficiency or venous leak as a cause of ED. Consult qualified Urologist for clinical assessment and get these tests done . If all test do not reveal any organic cause for your ED it can be labelled as Psychogenic in origin .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)as on demand will help to get good hard sustainable erection and to have enjoyable sex. Dr.Patil.