biff... bears a worn air and seems less self-assured. he has succeeded less, and his dreams are stronger and less acceptable than happy's. happy... like his brother, is lost, but in a different way, for he has never allowed himself to turn his face toward defeat and is thus more confused and hard-skinned'
sd describing B+H, shows willy's errors in raising them- lack of acceptance for what they want, only what he deems successful, also error in staying in the city as they're clearly better suited to manual labour