Slim wasn't his real name, but the new friend he had met the day before had needed only one look at his slight figure to say, "You're Slim." 
He didn't like being called Slim.
mnli hypothesis: He didn't like being called Slim. premise: Slim wasn't his real name, but the new friend he had met the day before had needed only one look at his slight figure to say, "You're Slim." 