Are you concerned about the production of sperm or the erection?

the sperm, the erection isnt a problem

I believe sperm is produced everyday, I'm not so sure though.

What I know for sure though is that you can ejaculate and then again as early as 15 mins.

It just takes "training" and "practice"

-Peter

hey yer peter is right.. you can ejaculate pretty quick after you come the first time in a day if you mean how often can you j/off then just go with what feels natural most people j/off once a day sometimes more... i jacked it 6 times in one day once jeez my balls ached lol

if your balls ache stop for a couple of hours ;]