Why do women get surrounded by men then after she sees you then walks up to you then talking to you?

In this situation, why sometimes woman gets surrounded by men then after you see her then she sees you looking at her then she leaves the group of men then walks up to you, then starts talking to you after leaving all those men who surrounded her. Why do some women do that?
Why do women get surrounded by men then after she sees you then walks up to you then talking to you?
Why do women get surrounded by men then after she sees you then walks up to you then talking to you?
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