What Causes Leakage Of Semen From Penis?

Hi Dr

good evening,

my name is Ram i am 28 years old.Dr. coming march 15 i get married.

Dr, My age 28. but body looking time small i am 64 kg weight only Dr. My mean point always very tempure i seen any girl this automatic coming up very had also i have peain also my mean point 4" to 5.5 " inch . my friend told this is danger give me advice please, i am always awraid

Thanks

Ram