How do you know that you like a girl, a woman?. How to understand that the girl is in love but hides

…some other features will be noticeable: twisting
curls, a special smile that looks like a grin, along with a defiant
glance or in a special way on this day of the delivered intonation of
speech.

Some girls start terribly nervous next to a guy who
likes her. Often this is characterized by a knocked-down speech,
stuttering or a hurried manner of talking…