What does it means when a man grabs your hand and rubs on it?

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The guy is someone from my school I just met him 3 months ago because he transferred to my school. He started out by flirting with me than 2 weeks ago he started acting kind of distant. Than this week he started kind of flirting with me again and today he gave me a handshake and grabbed my hand and just started rubbing my hand and telling me how soft my hand is.
What does it means when a man grabs your hand and rubs on it?
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