Any truth to the "eyebrow flash"?

Anonymous
I have read about a couple signs that guy shows when he likes a girl.

One of them is that he will raise his eyebrows really quickly when he sees her. Often when he smiles too it usually means he at least thinks she's cute.

Any truth to this?

I've noticed it a lot in some guys. One guy basically did that eyebrow thing every time I saw him and he would often smile at me as well.

This other guy did a similar thing and would look at me from head to toe a lot and gave me other really obvious signs of interest- like telling his friends I was attracted and calling me/trying to hang out all the time.

I'm just curious if the eyebrow flash is a real thing.
Any truth to the "eyebrow flash"?
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