When they were young, they had fallen for the same man. Those were not mere infatuations; but full blown affairs. It is believed that these affairs happened not simultaneously. But who can say? The foggy boundaries between being in love, the ache of a broken heart, the patch up et al are not for anybody to govern. So sometimes, those three, the two women and their man in between formed three vertices of a triangle. Isosceles triangle.
They must have been similar, somehow-somewhere. Given a man, mostly may choose an approximate prototype of the opposite gender each time he gets to choose. With certain common traits. But these women were far from same. A had a docile exterior and a blatant inside. B, on the other 'and, was uptight on the outside and all gooey within. A was the submissive in her relationship. B, was obviously the insatiable dominant in hers. A was shy, fearful, a poetess. B was very vocal of her needs, her frustrations, even her dreams. But once unclothed, each woman turned inside out, i.e. behaved like the other woman was on the outside. The man switched his roles between the two. Such chameleons they are.
Sometimes the median vertex of that triangle vanished though. The man, I mean. It was like he wasn't there. The triangle became a well meant straight line. A and B lusted for each other through the man who was like a membrane of mist. And like someone poked a finger into it, he disappeared. Sometimes they felt like prototypes of the same woman. Sometimes they felt like alter-egos, despite their cardinal differences. Sometimes like lesbian lovers. But mostly like doppelgangers.