Perry engages in some self-examination over the breakdown of her marriage to Russell Brand on this Stargate produced track, which she penned with Scottish singer-songwriter Emeli Sandé. She told MTV News that she believes it's important to be mature about ending a romance. "It's really easy when relationships end to be like 'That guy was a f---ing douchebag,'" she said. "But really if you laid it down, and you saw the whole span of the relationship .

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