When Kirsty Bell fell in love with Gordon McLean, she only had eyes for him.

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But nearly three years into their relationship, she stumbled across a blog about polyamory- the practice of engaging in multiple sexual relationships- and was fascinated by it.

"I'd only had one serious relationship before," says Kirsty, 30. 'It became stale and I was worried the same could happen again.

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"Gordon had been married before and his relationship had also broken down so I brought up the idea of polyamory with him."

To read more of Kirsty's story, but Closer magazine, out now.