Originally Posted by hasselbrad
I find it relatively easy to keep an erection after the first orgasm because the head of my penis is hyper-sensitive. Most of the time, I can keep it in, move it around and continue. Of course, this is very risky if you're wearing a condom as the only means of birth control, but if you don't let your big head deflate your little head, you should be able to remain hard.
Also...try different positions. I find that when I'm on my back, I can go forever.
What he said. I think Brad and Ryan are both right too, a lot of it is psychological, if you worry about it too much, you're bound to go too early. Relax, don't sweat it, and you'll probably last longer.