Angelina Jolie doesn't believe fidelity is essential in a relationship.
The Hollywood actress - who raises six children with her long-term partner Brad Pitt - believes open romances can work just as well as monogamous relationships, if both partners agree to it.
She told Das Neue magazine: "I doubt that fidelity is absolutely essential for a relationship. It's worse to leave your partner and talk badly about him afterwards.
"Neither Brad nor I have ever claimed that living together means to be chained together. We make sure that we never restrict each other."
The 34-year-old screen beauty - who famously met and fell in love with Brad on the set of 'Mr. and Mrs. Smith' in 2005, while he was still married to Jennifer Aniston - also revealed the pair have a fiery relationship.
She said: "The sparks fly at home if the nice Brad fails to see that he's wrong and reacts in a defiant way. Then I can get so angry that I tear his shirt."
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