Signs of attraction?

Anonymous
What kind of signs and vibes do guys usually try to put out there to show a girl they are attracted or interested in them?

I know the most common and typically used ones such as: smiling, staring or gazing, eye contact. But like what about the more quiet and subtle signs that might go unnoticed?

How do guys flirt or show that they like you if they don’t want to be too obvious?

If a guy smiles and says “hi” to a girl every day is he trying to show her he might be interested in her? I’m so confused! 😩
Signs of attraction?
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