Hey, there, all... this is my first post after lurking for a while, but I thought I'd butt in with an observation/question... I should say that my experience is somewhat limited...

So, I've noticed that immediately after a woman orgasms, her vaginal fluid tends to get thinner and more watery, and less viscous and lubricating-y. But this may not apply to everyone...?

I do think that vaginal smell, presence/lack thereof, etc. varies a lot from woman to woman and even sometimes from day to day.

But I echo what everyone else says: ultimately, it's all about communication and being comfortable being honest with each other. As long as you've got that, orgasm or lack thereof doesn't matter nearly so much. Speaking as a guy, there have been nights when I've not orgasmed but she has, and I've still enjoyed it immensely. (Of course, the "blue balls" can be a problem in those cases... ;-) )

Just my $0.02...