those could be good hindsight characteristics to mitigate the emotion of rejection, but in taking on a sale I think it is better to be warm and aware of the soc

those could be good hindsight characteristics to mitigate the emotion of rejection, but in taking on a sale I think it is better to be warm and aware of the social cues your potential client is providing. The best salesman are able to close by adapting to the various physical and social cues people provide.