He worked for years as a bartender. It wasn't fun but it provided lots of laughs for his family members when he came home and told them stories about his customers. It wasn't that the people he served were bad, but being a bartender allows for a certain voyeurism that other jobs just don't have. Fixing cocktails for strangers enables a person to make certain unqualified judgments that may or may not be true. But in this line of business, figuring out people quick was part of the job and it was something he was quite good at doing.