It's your classic 5 whys, except in this case you can get to the root cause in probably 2 hops "I need a faster horse" "why?" "so I can travel faster" "why?"

It's your classic 5 whys, except in this case you can get to the root cause in probably 2 hops "I need a faster horse" "why?" "so I can travel faster" "why?" "so I can get to where I need to be quicker"