acutally you can go awhile without jackin off and then make with the sperm in your sleep... if you have ever had a wet dream thats what happens... it builds up for awhile then just says..."ey i gotta get out. it smells in here." and ka-boom you ruined your favorite pair of boxxers.
why do alot of men not know about this???? because a man cant control himself to not masterbate... a man's gotta do it. and they do
the most i have done is like 3 or 4 times in one day. A very long and boring day when i had abunch of porn laying around. but mosting i keep it to once every other day.