so one day i was having sex with my girfriend.im 16yrs old and shes 17yrs old.we do it alot and i mean what 5-8times a day funny ok anyways now once we were doing it and she was on top.my penis sliped out and went she went down i think a pieb(cant spell) of hers or something cut the bottm stringy thing of my penis.no i dont use condoms shes on the ring it works great.but at that time i didnt care it was too good and all i said ow for was the pressure towards my penis.but ig ot over it and then i was shoering and it was a little red cut like very little that you can see the sting unleveled.i ignored it and this was like 1-2weeks ago and til now i have it.today we did it and it hurt like crazy with i felt the ring.it turned back to like open.any ideas how to cure it?because i told her i cant do it with all the irratation on my penis thanks!!!