Diving is the perfect example of risk/reward.  You dive off of a hard springy piece of fiberglass into water located below you.  If you do it right, it's cool as hell, but if you do it wrong, well, let's hope you like eating your meals through a straw.  Traditionally, gravity has really fucked people's days right up.  Think of all the failed trapeze artists, all the unopened parachutes, faulty bungee cords, etc.  Those people never fare well, so why tempt gravity by jumping off of something?  This girl learns the hard way.

 

(via With Leather)