"If she looks down and then looks back at you less than 45 seconds later, she is almost definitely interested. This sign is so nearly fail-proof that you don’t need any smooth pick-up lines when you approach her—just offer your hand and introduce yourself.

If she looks away horizontally, she’s not sure if she’s interested in you or not yet. Smile and make eye contact again to see how she reacts.

If she averts her gaze by looking up, she’s not interested. Basically, she just rolled her eyes at you."

This is from the following article: https://www.artofmanliness.com/articles/look-em-in-the-eye-part-ii-how-to-make-eye-contact-the-right-way-in-life-business-and-love/

What do you guys think?