First kiss advice

Ok so I’m 15 and I’ve never had a first kiss. I’ve had boyfriends before and we just never kissed cause I want my first kiss to be with someone I really like. Well I’ve found someone I really really like, like I’ve never liked someone this much or felt this way about them. But if he ever wants to kiss I guess my question is how do I you do it? I hope this makes sense. I would really appreciate some advice.