It sounds like a rupture of the penis. Whitish semen is on average better for conceiving than yellowish, but that is only a tendency. Inevitable loss of function that goes with a circumcision. Fewer younger males use lube, especially if they’ve never had intercourse. Or on first love making and is considered a medical emergency. Masturbation has no long-term effect on fertility. Physiological functions of the prepuce.
Penile inflammation or redness can also be due to irritation or allergic reactions caused by:
Coronal ridge masturbation. No, it was probably smegma, a bodily fluid that accumulates beneath the foreskin and which uncircumcised males have to make a special effort to clear away. Be glad you’re normal size when erect. If it functions ok, i don’t think you have anything to worry about. The penile skin is even thinner than that on most of the body.
Training with the fleshlight to resensitize your penis
Try doing it less often and see if the pain goes away. Details on the different histological types of ring. Phimosis causes pain and difficulty.