Sera, we're a lot alike in the O department apparently. I had my first O when I was a kid, I can't remember how old I was. I wanna say around 8. I remember as far back as 5yrs old playing with myself b/c it felt really good, but I don't think it was orgasmic, just felt very good.
I had my first O with a man when I was 20, 2 months shy of my 21st birthday.