According to subject when I am going to think about sex my penis release unnecessary water.I don't know the name of that type of water but I think it is not actual water that everu man release after having sex.For further information when ever I will go for sex I lose penis water before starting.I want a full solution for this problem and also give me name of medicine if you know about it.I having this problem for ten years and I am not trated well from any body.So please give me advise about this problem.I will be very thankfull to you.my age is 26 Year

It appears that you could have a low level of serotonin. I remembered Dr. Lin from ActionLove.Com responsing to someone suffering the same problem. I found the link for you Starting masturbation too young, resulting in excessive pre-, premature ejaculation, excessive wet dream, and over-excitation by pornography for no sexual orgasm - solutions.
Hope this may help.