i m 16 year's of age i fell have wet dreams about three times a day ,but the main problem is that i feel some sensation at penis when i m relaxing or sitiing but when i see there is nothig most of the times or a very small drop .Is that Semen.when i urinate some part of the liquid remais in my underware but it vanishes quickly so i do not think that it is semen. what shoul i do to get rid of these problem. i do not masterbate left it 6 months ago