In an interview with the BBC, the pair confirmed they were set up on a blind date by a friend, who first introduced them last year. Prince Harry and Meghan Markle opened up about their relationship. Picture: APSource:AP They had been together about 18 months but denied the engagement had happened quickly. “It happened a few weeks ago, earlier this month, here at our cottage; just a standard typical night for us,’’ he said. Ms Markle said the proposal came as an “amazing surprise … so sweet and natural and very romantic. He got on one knee”. Prince Harry And Meghan Markle Walk Gardens at Kensington Palace After Engagement. Credit – Twitter/Kensington Palace via Storyful Prince Harry And Meghan Markle Walk Gardens at Kensington Palace After Engagement. Credit – Twitter/Kensington Palace via Storyful The pair said a female friend had introduced them on a blind date. Ms Markle said she knew only a little about the royal family, while Prince Harry had never heard of Ms Markle or watched her TV show, Suits. They went on back-to-back dates in London, then went to Botswana for five days, sharing a tent and, in Harry’s words “camped out with each other under…