@ all so far: Thx for your votes and explanations. There's all kinds of valid approaches to the question: internal orientation, present circumstances, neither, both. I tried to set up the question (and available answers) to be as accomodating as possible.
Polyamory/polyamorist do seem to be more situation-based words than polyamorous (which generally seems like a more orientation-based word).
Love means never having to say, "Put down that meat cleaver!"