Hello Sir, I Have Completed Two Years Of My Marriage.

hello sir,

I have completed two years of my marriage. But till now i did not have sex with my wife. There is no problem with erection. The penis get hard during our sex mood, I try to control every time but sperm comes out when i want to penetrate my penis. When i touch my penis with vagina for penetration at the same time sperm comes out every time.Sir kindly suggest how can get out of this. And also second time if want to penetrate after 15-20 minutes of first ejaucation, same thing happen. But my penis totally hard evertime during my mood. Kindly helpout that what is the problem..whether it is with me or any other. I am totally disappointed. I want to do sex and also have the libido but helpless.