For me, about half of my sexual encounters have been one night stands. I still talk to all of the girls occassionaly, so I keep 'em around for potential fuck-buddies, but I'd rather be in a relationship and fuck like rabbits.

That's how it was for me and my last ex.. We had sex like everyday for 2 months, I got her pregnant, she had a miscarriage. We were together 5 months after that and only fucked once. Man, that sucked.