@Florence-Carsula - I realize this is a really old post, but it intrigued me. Does 'love triangle' mean any arrangement of three (or more) people?
A loves B, C love B, B loves A
A loves B & C, B loves A & C, C loves A & B
A loves C, B loves C, C is superdense and doesn't realize that anyone loves C
Or is it supposed to reference only circular arrangements:
A loves B, B loves C, C loves A