Leap Day, February 29th, only comes around every four years — like the Olympics or a healthy bowel movement. It’s really just another day on the calendar, but of course, there is some ridiculous tradition attached to the day.
If you want to make a lasting impression on your soon-to-be fiance, you need to propose in a creative way. Well, this isn't that creative, just your basic 'down on one knee' approach. But they were at comic-con which makes them nerds (not that there's anything wrong with that) so you can imagine the nerdgasm that happens at the :33 point of this video...