The Margin: Peloton's viral ad captures a '116 lb woman's YEARLONG fitness journey to becoming a 112 lb woman'

It's the classic feel-good Christmas tale: A husband wants his wife to work out more, so he gives her some exercise equipment she clearly doesn't need. Wife is thrilled but also scared. She captures her journey on social media for a year, then the happy couple celebrate the following Christmas by reviewing her progress.