Paul Simon says his 'whirlwind' marriage to Carrie Fisher caused an 'emotional upheaval'

Paul Simon is opening up about his "whirlwind" relationship with the late Carrie Fisher. 

In a new documentary that takes a deeper look into the icon's career, titled "In Restless Dreams: The Music of Paul Simon," Simon detailed his tumultuous romance with his ex-wife and explained why it quickly became "complicated."

"Carrie was much more show business oriented," he says in the film. "I went along with that — that’s the world that she grew up with; she was used to it. She was used to a lot of press and things like that.