I tend to agree! It also irks me that he lives on VH, but he doesn't have his name on the board. Why? If he can't commit to VH, why should anyone commit to him?
Again, groomy made us believe that she had a lot of potential and all we see is Sid blocking the view. I'm not saying that she has to do anything, but there's just no point watching them if he's in the picture. IMHO
I don't think that they are exactly arranged with such precision. I think it could have gone several different ways, but the guy clearly settled on Ana.
Although, perhaps when Nyusha began sucking him and Ana abruptly left the room, perhaps that wasn't supposed to be on the menu. Or she herself realized she liked Dax and this was a jealous maneuver designed to stifle Nyusha's pursuit, which worked like a charm.