The Exact Moment Robert De Niro 'Stopped Caring'
http://uproxx.com/movies/robert-de-niro-chart-stop-caring/
According to this chart, De Niro gave up in 2002, when the Eddie Murphy buddy-cop comedy Showtime, lazy City by the Sea, and Analyze This sequel Analyze That came out. This confirms what I’ve known all along:
Billy Crystal broke him.