Suggest Remedy For Blackening Of The Penis Due To Excessive Masturbation

sir im 22 .n started mastrubation frm last 8 years .u cn say i becum adicted to mastrubation n many times dne 12-15 times mastrubation in a single day while watching adult films

i knew dat it wz wrong bt i cud nt controlled myself nw i becum vry ill nw .i hv excessive sweating,my penis n scrotal sac turns black.nw i hv intense lower back pain .n i m nw having a premature ejaculation sir plz help