Signs a guy likes you by the way he looks at a you?

Anonymous
A friend and I were discussing the topic of guys and flirting and my friend mentioned that you can tell whether a guy likes a girl or not by the way that he looks at her. She said that's there a certain way a guy will look at a girl when he likes her and that there's this look in his eyes that gives it away. Do you guys and girls believe this is true? Why or why not?
Signs a guy likes you by the way he looks at a you?
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