PLEASE PROVIDE ME ANY RESOLUTION . ACTUALLY I HAVE MANY

PLEASE PROVIDE ME ANY RESOLUTION .
ACTUALLY I HAVE MANY PROBLEM`S IN MY PENIS THAT CREATES AN infreority Complex IN ME .
1)I THINK MY PENIS IS SMALL AS COMPARED TO OTHEr`s WHEN I WAS IN SCHOOL DAYS I DONT USE WASHROOM IN FORNT ON MY CLASSMATES COZ MY PENIS IS SMALL AS COMPARED TO THEM. RIGHT NOW MY AGE IS 20 AND PENIS SIZE IS JUST 5INCH WHEN IT IS FULL ERECTED. OTHERWISE IN THE NORMAL SITUATION IT IS ONLY 2-3INCH
SO I M LITERALLY WOORY ABT MY UPCOMING SEXUAL LIFE .
RECENTLY WHILE SERCHING ON INTERNET I FOUNDE 1 PRODUCT OF BABA RAMADEV THAT HAS THE CAPIBILITY TO ENLARGE THE PENIS . THE CREAM NAME IS Man XL Cream for Harder Erections. So PLESE CONFIRM ME THT ALSO THAT SHOULD I GO FOR IT OR NOT .
AND NOW MY 2ND PROBLEM IS
2) JUST BY HAVEING NAUGHTY OR EVEN COMMON TALK WITH MY GF I START GETTING DISCHARGE . NOT ONLY THIS EVEN SOMETIMES I GO THROUGH NIGHTFALLS . AND EVEN JUST BY TOUCHING MY PENIS FOR 1MIN . I START GEETING SPERM OUT OF IT .
AND MY THIRD PROBLEM IS
3) THERE IS A SKIN WHICH IS ATTACTED TO MY PENIS . WHICH DOES`NT ALLOWS ME TO HAVE MY SKIN DOWN BY THAT PINK AREA OF PENIS AND WHENEVER I TRY TO DO IT DOWN I FEEL PAIN. SO THUS IT CREATES ANY PROBLEM WHILE I HAVE SEX . SO PLZ GUIDE ME THUS IT REQUIRES ANY KIND OF SURGERY FOR THIS . PLZ HELP ME OUT . I WILL BE REALLY OBLIGED.