“Coyness” by I. Eibl-Eibesfeldt, the “Bali girl”:
(See also my post on female proceptive behaviour here.)
“The rules of eye contact are simple. After catching her eye:
If she looks down: She’s instantly attracted but shy.
If she looks to the side: She’s not instantly attracted.”
Yes, I think that is probably correct. If a woman meets your gaze for a few seconds and then looks down (and maybe blushes), that is a good sign. I believe this is a primitive submissive and coy female response. (Men, try this experiment. If you have a wife or girlfriend who respects you, try staring into her eyes for a bit longer than usual. Chances are, she will look down.)
Another blogger, whose name I forget, pointed out this well-nigh perfect (albeit acted) example (see how she drops her eyes not once, but twice, and notice his final, satisfied smile):
As for looking to the side, that seems to be something a woman does when she knows you are not (at that time) “on the same wavelength”. It is perhaps like an ocular version of shaking the head.
I originally construed the eyeroll the female singer does in this song (which is about romantic problems) as cute, but I am not so sure now. In context, it might be seen as an example of “looking to the side” to signal a lack of compatibility. In any case, there is a lot about eye movements in that song, both in the words and the images.
These topics are actually incredibly complicated. For example, see all the possible explanations as to why high heels work their magic. In the end, I concluded that it was probably basically that they enhance the normal curves of the female leg and provide what behaviourists call a “supernormal stimulus“. But there are also lots of other theories, including that they help the woman mimic lordosis (the tail-up sexual posture found in many female mammals).
Likewise, the article on why men love “butts” relates this to signalling about the female childbearing curve of the spine. Well, maybe. But there are plenty of other theories, including the purely functional suggestion that the fatty female buttocks provide a natural cushion during sexual intercourse in the “missionary position” (which, despite its name, is actually the commonest position used by humans everywhere.)