I have married since 2009. But I have no child when I asked my married frnds they asked me if I have premature ejaculation problem. I confirmed the problem and then I was informed that the problem is serious . I have to follow treatment of premature ejaculation . I can not certify my Wife . The longest duration of my intercourse has never been more than 20 seconds. This problem has just ruined my sexual life .Please help me