What does it mean when a guy asks to touch your hair?

My hair is curly and my friends were surrounding me asking me questions about my hair and what I do to it. One of my friends asked if she could touch my hair and I said yes, so then he looks up from his phone and asks if HE could touch it... Do you think he likes me, or just likes my hair... Was he flirting?
What does it mean when a guy asks to touch your hair?
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