Guys start producing spermatozoa (or sperm, for short) at the onset of puberty. Puberty starts at different times for different people. Boys usually start puberty when theyre around 10 or 12 years old, though some start a little sooner and others a little later.

Why does my husband sperm smell bad?

Semen often has a chlorine-like smell and tastes slightly sweet due to its high content of fructose. That being said, the taste of semen tends to change slightly from person to person. If your semen is foul-smelling, see your healthcare provider as this is often a sign of infection.

Why does my body reject my boyfriends sperm?

Causes. In men, an infection in their prostate or an injury to their testicles can set off an immune response when the sperm comes in contact with blood. This can also happen after a testicle surgery like a vasectomy. Womens bodies can make antisperm antibodies if they have an allergic reaction to semen.