How To Get Rid Of Semen Leakage?

hi,,,sir im 25 years,,of old,im not married and still a student,i have a problem from last,,4 years of comming out sperm drops,,some time thin,some time,like glue,like proper sperm but only at the end of urine.i visited many docters and they said it is not a disease at all,as i while sleeping i face fllow of urine very rare like in,,2,months 3,,months etc usually i face sperm drops after 2,,3 days but if i do sex,,or HP then occurs after 2,weeks or some time after 10 days,,,when my sex is high and feel extrime desire,,ur kind suggession plz if any?