One Direction were left stumped when a journalist asked them what a fan should say to their partner when trying to convince them to watch their new film This Is Us.
After plenty of thought from Harry Styles, director Morgan Spurlock stepped in and said "if he really loves you, he will go to the film".
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He was sentenced to six years in prison in March.
Bosses were paid an average of around £4.7m last year.
The research comparing cat owners, dog owners and those with no pets was carried out at the University of California, Los Angeles.