It’s an iconic line from the golden era of The Simpsons, but a new academic study shows there is a lot of truth to it. 

In season 3 episode 21 of The Simpsons, Krusty the Clown’s homicidal sidekick Sideshow Bob has been yet again released from prison, this time after proving to authorities he has turned a new leaf by developing a romantic relationship with Bart’s aunt Selma through the prison pen pal program.