Hi Sir, Welcome to Health Care Magic I can certainly understand your concern It s definitely curable problem...There are many natural ways to get rid of this problem...like... Getting relaxed before sex, avoid stress, try to avoid smoking and also alcohol if any , maintain healthy life style...In addition needs to maintain adequate weight. It is very common problem to suffer at your age as you are still young to face it, so the above method swould definitely help you and you can keep tabs like cavetra as your last option, ypu can also try some pelvic exercises to improve your erections. if you feel its difficult to stop smoking, you can start on bupropion . It is helpful to consult psychiatrist for reassurance and other therapeutical measures. Post your further questions if any, I will available to take up your follow up questions Thank you