Dear agentA, good to see members read through earlier posts.
I recall I said its possible to understand if a lady is having sex, to some extent. If a girl is virgin or not, thats tends to impossible, unless its on that day or the next day. But if a lady is regularly having sex, its very hard for a male to predict, whereas for female its not a tough task, a lot of female can say by looking at another female if she is having sex.
What is there special in female that they can read we can't? Its the observation power, a woman is born with. When a woman is having sex/regular sex, there are some small changes in her body, that is due to natural flow of hormone. All these hormone secration causes change in skin texture in positive way. I am not talking on shape of breast or hips, thats nothing important. A lady having sex, by looking at her walking, body change, read mind, none can be understood. But two changes happen, and any experienced female can read that quickly, one is the skin texture, the other is her eyes. No matter how she tries, she cant hide that sparkle in her eyes of contenment.
Last point, why we male cant understand this? Becasue we are thinking something else. Instead of eyes we look at her lips. Instead of skin, we dream how she would look all nude.