Quite likely yes. People often think pre-mature ejaculation simply means "cuming too early", but it can also mean a small amount of sperm is released.
it is possible, but very unlikely. there is a little cover over the tube that sucrets sperm so that it will only come out when it is supose to
All you need to do is keep masturbating through the little tingly pain :)
Birth defects can come from the sperm, but I've never seem caffeine listed as a dangerous substance.
Perhaps he has become disinterested and needs a little change to get the spark back.
no that means that a little too much sperm is going into her you see only a certain amount can go into her but that dose not mean anything bad you can still enjoy your sex with her nothing is to worry
It usually will be clear as your nuts haven't fully developed I guess you could say.
If both are healthy, both will produce sperm.
It depends are you swallowing this or where is the sperm going?
No, not naturally.
it is sperm that come out the plant
No, it does not hurt!
either he didnt "finish" which is unlikely or there was just very little when he did. And if it was such a small amount you would maybe not notice it.