How Leap Year couple keep their marriage secret
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Once every four years there is an extra day at the end of February - a little oddity in the calendar - a leap day.
Four years ago, Radio 4's PM invited listeners to do something different that day, to take a personal leap of some kind. Many did just that and one was Florence Walston, who got married.
Eddie Mair asked her how she told her husband Alistair she'd decided they should get married.