I 'm sure the authors mean well .
At authors ' best it 's basic running advice ( eat smart , run smart , be happy ) and at authors they are fear inducing plots that make you doubt everything you ever believed running to be .
I 'm sure the authors mean well , but at their best it 's basic running advice ( eat smart , run smart , be happy ) and at worst they are fear inducing plots that make you doubt everything you ever believed running to be .