I went through that phase when I was 17 or so. My parents said hell no, since one of their high school friends was killed 2 weeks after graduation on one.
Now that I'm older and aware of my mortality, I would not allow my kids one either. But once they are 18, they can do whatever they want. Same for your son. I know one guy who got killed on one while stopped at a light (the car ran the lig