no. most men continue to produce semen through out their life time, well into their seventies and eighties.
12 Pints of Semen
You get the sperm by the straw. And the amount per straw depends on the quality of the bull, how large the demand is for that bull as well as the breed of such a bull. Prices for semen straws can sky rocket if the bull dies and there is only a limited quantity of semen left. You will have to check your local bull semen distributor or any other cattle ranches that sell bull semen for their prices.
semen has a small amount of blood in it so the HIV is still in the blood but is carried by the semen to your partner.
No.
zinc
Semen is not consumed in order to get vitamins, food is.
Nothing when consumed in limited quantities it will have no effect. It is only a myth
The largest amount of semen ever ejaculated was over 400 gallons form a blue whale but I'm not sure what the largest amount is for a male human maybe about 1/4 of a liter
Yes, semen is sticky because it contains a small amount of mucus.
15
Lil' Kim
Because there is a small amount of mucus and sugar in semen, thus making it slimy and sticky. It helps the sperm maneuver around better.