Because semen swims upstream. The bladder is not located above the vagina (internally). If the ejaculation takes place in the vagina, the semen will swim up towards the cervix.
Perhaps a mix of grunge, basic and dark academia.
B. UNREFINED GRAINS
milk and cheese = dairy
meat and poultry = protein
fats and oils = fats
unrefined grains = carbohydrates
