I have come to the recent realization that I am allosexual as well as bisexual...
...but I am demiROMANTIC. Which basically means I can't form a romantic attachment without being friends first. I can't imagine *dating* somebody I don't already know, but I can imagine having no strings sex with them.
Not everyone buys into the split attraction model and I wasn't sure about it myself until i analyzed my own feelings and dating history and was like "Well, huh."
I'm also a believer in keeping sex within a committed relationship *for myself*. I stress that because I don't judge others for sleeping around (I will judgy judge for not using condoms, though, same as I judgy judge for getting on a horse without a helmet :P).