According to Healthline", the more copulation you have, the bigger your male organ will become. It's a win-win. Researchers at the University of Exeter have discovered that increased erotic activity results in notable anatomical changes in the male reproductive organ.
However, here is how lovemaking affects your male part.
As long as it’s a short-lived, sharp pain that only lasts a couple of seconds or minutes, then it’s likely normal and nothing to worry about.
“If you ejaculate forcibly, the muscle contraction can cause some pain,” Dr. Schiff says. You can release as fast as 25 miles per hour, not exactly a Maserati, but it is impressive nonetheless. If the pain lasts longer, like a few hours or a few days, you may have an infection in the testicles, epididymis, prostate, or urethra, or a transmitted disease.
It causes pain, the fluid would go back in through the bladder instead.” It can take some time for the muscle to relax after the population. “If you force it out, it may be a little painful but it's harmless,” he adds. “It’s better to wait and let things relax before urinating.