Like this post?
Hey. I'm pretty curious about that also, but not sure I could engage in it.
I guess I'd be a little insecure and petty about competing with another guy while screwing.
What do you say to the girl afterwards?
'Who was best? who lasted longest? whose was larger and thicker?'
I'm young and inexperienced enough ( as a spotty-arsed teen) in bed with a girl without competing for her pleasure.