When I'm not erected I seem to have forskin all over my penis,the head is completely covered but when I'm hard my penis seems to be circumcized, and no extra skin appears on it around it at all. But everytime I get an erection and have sex the skin around my head expands and when I'm finiched it get soar sometime for days .I would like to get the circumcision if needed. plz somebody let me know.