Hall seems to have found the proper mix. He says that he tries to begin his day with one or two sales calls that he knows will be friendly. He also seeks positive interactions throughout his day. For instance, in one three-hour stretch I was with him, he visited a restaurant to ask after a friend who worked there who’d been ill. He stopped a longtime customer on the street to catch up on what was going on in his life. He entered a clothing store, was greeted by its proprietor with a hearty “Mr. Fuller!” and the two embraced, albeit in an awkward bro hug.