I'm generally suspicious of clever marriage proposals, and this one's a doozy. The proposer, a high school football coach, has his team fake a massive brawl on camera. Then, at the end of the video, they all reunite in a huddle and get down on one knee to propose to the coach's girlfriend together. So the proposal itself happens when the coach shows his girlfriend what is supposedly a video of a big fight at practice.
It's an odd, elaborate strategy, but ultimately a successful one. So, congrats!