Ceoli, there are limitless possibilities of combinations out there in this poly world. I didn't mean for my definition to be yours. Sorry if it offended. You asked for advice and input, that is what I have from my side of it.
It just seems to me that before you can love or determine that you love multiple people, you must love at least one. There has to be a starting point somewhere and unless you're sleeping around with multiple partners, there wouldn't be any opportunity for you to have multiple loves at the same time. And, having multiple loves vs. multiple lovers, is not the same thing.
I can certainly empathize with you and your plight. Being single and being poly is probably very tough. However, you seem motivated and genuine in your search. I'm sure you'll stumble into a situation that works for you at some point. Just keep looking. Don't give up. Good luck!