There is something much more important than body language.
Your confidence and “inner game” is revealed more in your “facial expressions” than your body language. She judges you on your facial expressions.
She wants to look into your eyes. Let her look at you. It’s not about staring her down with so called “alpha” eye contact. Let her check you out.
Girls are looking for weakness in your face. A steady gaze is more important than looks. Guys want a good looking girl. Women want to look at your face and see unwavering confidence so they can be sure.