if your fingering yourself and it hurts, that's probaly because your hymen (cherry) hasn't broken yet. the hymen is a soft flap of skin covering the entrants to your vagina. its ushally broken when...
Sperm production is a normal body function. Sperm cells mix with seminal fluids and are released as semen when a male ejaculates (shoots), either from a nocturnal emission (wet dream), masturbation...