I'll state up front that this is entirely an opinion, but since I've never seen it anywhere, I thought it was about time it was said.
Whenever I get one of those lists about "facts about me that nobody wants to know, but we're all listing them anyway" and it gets to favorite smells, what I want to put down is the smell of vaginal lubrication.
I love the smell, the taste, etc. I'm often highly pissed that the smell won't stick around on your fingers any longer than it does...most women's seems to evaporate fairly quickly.
And each person's is somewhat different...stronger, fainter, thicker, spicier...tastey. Yum. Can't get enough, I tell you what.