9. Gets shy while maintaining eye contact
They say only two kinds of people are unable to make eye contact with you: those trying to hide a lie and those trying to hide a love. For women, the latter case seems to be the more common one. If a woman is in love with a man then while maintaining an eye contact with that man the man would notice that she would get shy or try to look away.
She will have blushed cheeks. This is due to the sudden increase in heart rate and rush of blood on her face which would make her look away. This can be considered as one of the cutest indications, not to mention the pretty obvious ones that she is in love with you and is trying to hide it only to fail at it.
If you are perceptive enough, you should be able to notice these physical changes in her and come to the conclusion that this woman has deep feelings of love and affection for you.