-=Dark_Angel=-, P.I.17 Apr 2003

If he isn't a 9 year old, how brave is his effort? I think bravery of effort is inversely proportional to age. I also think bravery of effort tends to infinity if you are disabled. Here:

bravery = (1 / age) ^ (are_you_special)

where

are_you_special = 1 / (4 - number_of_wheels)