It can be used to show aggressiveness or defensiveness.
You might catch a man doing this as well once in awhile, to show the woman that he is sexually interested in her.
This is one of the many body language secrets many people aren't aware of.
But if she is doing this repeatedly, she may be doing it intentionally so you get a good look at her legs.
The man who is rapidly blinking may be agitated, worried or nervous.
He might be doing it to show other people that he is not fully committed to you and is still on the market.
This is because it helps us to be accepted to their group and it helps us to build rapport with them.
Controlling Body Language Controlling your body language to a degree is possible.