it depends on the man.
you could have an erection lasting five minutes
or lasting up to an hour any thing over two hours or close
you should seek medical help
well, an erection can last for a few seconds, or for 2-3 hours, and any where in the middle.
It depends on the guy. Each guy is different. Also it depends on how horny he is.
How long an erection last depends on the guy, his age, and his sexual arousal Well I asked Jack Lazarsky, he said don't push it! If you can go for 30 you are lucky. But He said he always stops at...
As long as he needs it too. During sexual intercourse and masturbation it lasts until the male has finished or ejaculated.
it will last for about two days on one dose