I think 4, but I could be wrong.
My first best friend and I kissed when we were little whenever we parted, but not in a sexual way. We were like 5 at the time and practically brother and sister, so I'm not sure it even counts.
My first real kiss was with some jackass who I thought I like, but then realized he was taking advantage of me. A nice introduction to make outs, but not my fondest memory...
My first boyfriend I kissed was also a jackass. Never made out with him and I'm kind of glad. He was the first person who made me feel special when I got a kiss, though, so I suppose I have to give him credit for that, but that was more my interpretation than his actual feelings.
My current boyfriend gives the best kisses. Actually, the first time we kissed, I had to initiate because he insisted that he wouldn't until I felt perfectly comfortable with it. I remember, I wanted him to kiss me so badly, but I knew he wouldn't so once I couldn't take it anymore, I practically lunged myself at him. After that first kiss, we practically made out nonstop the rest of the day. Good times.