I'm scared to have my first kiss?

I've never kissed a guy or anything like that.(BTW I'm going into my sophomore) I finally met this guy who I really like.😊 We just met yesterday and, today he asked for a kiss but, I wouldn't give him one because I was too nervous. I wanted to kiss him so bad but I was scared. What should I do? I'm going to be working with him for the whole summer and I know this conversation is going to come up again. Also be knows that I never kissed a guy before.
I'm scared to have my first kiss?
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