Oh. Fifteen, eh? Let me tell you something about being fifteen- it's less than half of what I am now, an' I didn't get here by telling magi what they can and can't do.

Take it from me, kid, it ain't worth sticking your neck out. You'll live a lot longer not showing it where people have a habit of shooting crossbows or swinging sharp, pointy things.

[ Sorry Lucas, Rincewind is...probably not the best role model. ]