I am 19 yrs old....3 days back, i had a boil like thing on my penis head. Next day it subsided and the boil turned out to be an open wound... Now its grown bigger in about 1 cm diameter just near my anal opening.... I AM A VIRGIN..... Is it possible that i have some STD like herpes or something.... coz i even found a small cut like thing on the shaft of my penis... it seems to pus a bit...... Please... am very much worried..... Kindly help....