Bill Murray strikes me as someone who is very comfortable with himself. In as much as anyone can, he seems to do things his way. The world is richer for it.
Theodore Melfi, the writer and director of St. Vincent, says while the movie was shooting in New York, Murray gave the production back the money that was allotted for his hotel budget, and stayed instead in the spare room of a friend in Williamsburg. "He rode his 10-speed bike to the set pretty much every day, about a 40-minute ride. He would come to the set sweaty and then just throw on a shirt."